Sailstar glossary
Swedish English Description
Mojna Abate When the wind is decreasing.
Akter Aft, stern Aft seen in the boat direction. Stern is the boat aft end. 
AIS AIS System for identification of yachts and vessels via VHF frequencies. 
Ankare Anchor An anchor, with a weight, is used to anchor the boat either on sway, anchored from the bow, or in the stern when boat is docked to a dock or beach. There are many different types of anchors. 
Bojankare Anchor buoy A small anchor used to mark the position of the anchor, and can be used for picking up the acnhor if it is stucked. 
Anfallsvinkel Angle of attack Angle on the sails luff towards the wind. 
Skenbar vind Apparent Wind Apparent wind is the result of the true wind and your speed wind. Shortened AW.
Skenbar vindriktning Apparent Wind Angel Shortened AWA.
Skenbar vindhastighet Apparent Wind Speed Shortened AWS.
Bränning Awash A reef or stone that is just in the leve l of the water. 
Babystag Baby stay Baby stay is a shorter stay from the mast front side down to the fore deck. Used to prevent the mast to flex to much in waves. 
Akterstag Backstay The stay that goes from the mast top to the stern of the boat. There are two kinds of backstays. One is the one that are attached in the top of the mast and going down to the stern, one or two on the boat. There are also the checkstays that are attached high up on the mast but not at the top and going down to a point on the side of the boat quite much aft, typical for some 1970's racers. 
Akterstags-sträckare Backstay tensioner Some device that tightens the backstay. It can be a turnbuckle or a bridle with block and tackle, or an hydraulic tensioner. 
Balansroder Balance rudder When the rudder blade has part of it in front of the rudder axis, the rudderstock. It makes the rudder more balanced. 
Sugga Barber hauler A barber hauler is a line, potentially with a block in the end, that changes the direction of the line, usually for jib/genoa sheets or spinnaker/gennaker sheets. 
Latta Batten A rod in the sails for giving support of the leech. Battens can be horizontal or vertical. Usually made of glassfibre. 
Beacon Beacon A mark on shore or at the sea to assist navigation. It sends a signal on the radar. 
Bredd Beam The width of the boat measured on the widest part.
Halvvind Beam reach Sailing with the wind 90 degrees from the direction.
Falla (av) Bear off Steer away from wind. Also Fall off, Head down
Bäring Bearing Bearing is the angle measured from North, measuring 0 -360 degrees. It can also be used as internal bearing measuring from the boat direction. 
Kryssa Beating When you sailing towards the wind on close haul and tacks, sailing on different bows. 
Beaufort Beaufort Beaufort scale is one scale for wind speed.
Hamnplats Berth A place for the boat at the dock.
Koj Berth A sleeping place onboard.
Kölsvin Bilge The space inside the boat towards the keel, the deepest (lowest) point of the boat inside the boat. If you have any leakage you should find the water here and that's why you place the bilge pump here. 
Länspump Bilge pump Water pump placed in the bilge for drainage of water. 
Bimini Bimini A kind of boat cover that are fitted in the part above the helmsman in the cockpit. 
Rattpiedestal Binnacle The device where the steering wheel is placed. 
Block Block A wheel with sides letting a rope turning around the wheel. 
Kapell Boat cover A cover for the boat or for the cockpit or any other place a cover for the boat. 
Båtshake Boat hook A stick with a hook on to pick up objects away from the boat, among them a mooring line. 
Fartvind Boat speed, Created Wind The speed of wind that is created by the boat speed. Is used when calculating True Wind Speed from Apparent Wind speed and vice versa. 
Replik Bolt rope Bolt rope is a main luff using a sewn in rope. 
Bom Boom Boom is horizontally sticks in the rig. A main boom is going horizontal from the main mast and keeps the sheeting point, the clew, of the main sail. But also jibs can use booms. 
Bomkapell Boom cover Boom cover is a cover for the mainsail when hauled. 
Kick Boom wang, kicker A device, usually block and tackle, to hold the boom down. The block and tackle then goes from the mast step to a point on the boom under side. Use the kick to hold the boom down on the downwind and to trim the sail and mast upwind. Modern boom wangs on bigger boats uses rod kicks, wich also prevents the boom to fall down into cockpit. 
Båtsmansstol Bosun’s chair A device looking like a chair with hooks for the halyard to pull someone up the mast. Usually with pockets for tools. 
Bog Bow The direction the boat has towards or along the wind. A boat can sail close haul bow. 
För, förut Bow Forward side of the boat. 
Stäv Bow The forward part of the hull. 
Bogspröt Bow sprit A bow sprit is a device pointing forward from the bow. It can be similar like a small dock but also a boom. It is used to haul gennakers, code 0 among others. 
Pålstek Bowline A knot that creates a loop that isn't running. 
Bris Breeze Light wind. 
Hanfot Bridle A line triangle, or upside down V used for different purposes. i.e. for tension of backstays, or for main sheet points. 
Broach Broach When under sail and suddenly the boat is not steerable because the rudder doesn't take any grip. The boat is then turning around to the wind very quickly. Might happen on any bow. 
Stiltje Calm No wind.
Bedarra Calm down When the wind calms down, lowers. 
Buk Camber The sails sewed round shape seen horizontally.
Kantra Capsize When the wind is changing side.
Kapsejsa Capsize Leaning so much that the boat turns down the water, like 90 degrees or more. 
Kardinalmärken Cardinal buoy Buoys marking obstacles and reefs in the sea, but not direct connected to a waterway.
Bära av Carry off To avoid hitting something you carry off. In any way, with rudder, with fenders between the boat and object (other boat, dock), etc.
Kasta loss Cast off When you cast off from the mooring, finally!
Katamaran Catamaran A multihull sailboat with two hulls. Compare with monohull and trimaran. 
Centerbord Centreboard A blade, foil, that keeps a dinghy on its course without drifting. A centre board haves the possibility to be folded up and down, preventing it from being destroyed if hitting bottom. 
Röstjärn Chainplate Fitting for shrouds and stays.
Kartplotter Chart plotter The chart plotter uses a digital sea chart and GNSS locations from satellites that it plots on the sea charts.  
Backstag Checkstay, Runner Checkstays are attached high up on the mast but not at the top and going down to a point on the side of the boat quite much aft, typical for some 1970's racers. A checkstay you need to release when tacking and gybing. 
Skotråtta Clam cleat, servo cleat Clam cleat is used to grab a line and get it fast. A servo cleat has the same function but has moveable cleats and therefore usually easier to get it to grip. 
Knipknap Clamcleat A cleat that has two sides that clams the line to get it positioned. 
Knap Cleat There are many different cleats on a boat. A cleat is a device that can hold a line. One type of cleat is used for the mooring lines on a boat, some are used for trim lines. 
Skothorn Clew The sails lower and aft corner is named Clew. 
Bidevind Close haul  Sailing towards the wind, typically at angle of 45 degrees to the true wind. 
Brant slör Close reach Reaching in an angle between beam reach (90 degrees from wind) and to (almost) close haul. 
Dubbelt halvslag Clove hitch A knot to connect your line to something. Used for mooring boats to a pile, ring, tree, etc. 
Avlastare Clutch A clutch relieves a winch from halyards, sheets and trim ropes. 
Ruff Coach house Coach house or deck house. The space under the upper part of the deck. 
Sittbrunn Cockpit The part of the boat that is made for steering and usually also the trimming and sheeting. Usually aft part of the boat. 
Code 0 (zero) Code zero A big foresail that is something in between a genoa and a gennaker. A code zero is hauled in front of the genoa, usually on a bow sprit and halyard in the top of the mast. It is often furled.
Kvajla Coil When you take your rope and creates loops of it, either in your hand or on deck. 
Nedgångslucka Companion way The opening to the saloon.
Kompass Compass A compass displays the angle to the magnetic north. This is not really to the globe north becuase of misdirection and also deviation in the boat.
Snörplina Cord There are cords in the sails edges, along the foot and leech. Used to tighten the sail edges, but can give the sail a bad shape. 
Kurs Course The angle sailed compared with North. 
Öljett Cringle A metal ring in a sail.
Cunningham Cunningham A trim function with a cringle on the luff (along the mast edge of the sail), not far away from the tack from where you can pull the luff tension. 
Ström Current Currents in the ocean is common and has many different sources. Some currents are always on the same place, some are made from tide and ebb and some are depending on high and low air pressure.
Centerbord Daggerboard A blade, foil, that keeps a dinghy on its course without drifting. A daggerboard is lifted and pushed vertically up and down, see centre board.
Bleke Dead calm No wind.
Durk Deck The floor in a boat. 
Mast på däck Deckstepped mast When the mast step is on the deck of the boat and not going all the way to the keel or close to keel. Needs a support pole under deck. 
Djup Deep The deep is the water depth.
Riktning Direction The direction of and from your boat. The boat sails in the direction 0. 
Deplacement Displacement The weight of the boat but is is determined by the displaced water volume of the boat. 
Dubbel skotstek Double sheet bend Knot to join two lines of separate dimensions. The double sheet bend is more safe then the sheet bend. 
Nedhal Downhaul Used to adjust the tension of the luff by adjusting the tack. See cunningham. 
Medvind Downwind Sailing along the wind. Can be run or reach. 
Undanvind Downwind Sailing with the wind from the aft. 
Bärga segel Dowse sail Bring the sails down, haul the sails. 
Djup (på båt) Draft Draft is the length vertically from the boat waterline to its lowest point, usually the lowest part of the keel. 
Avdrift Drift, leeway Drift or leeway is when the boat is drifting from its straightforward direction caused by the wind and/or current. 
Ekolod Echo sounder An echo sounder measures the depth by sending sound signals, bouncing up the the receiver. The depth is calculated as the time for the signal to get back, divided by two times the speed of sound in water. A time of 40 ms is equivalent to a deep of approx 30 meters. 
EPIRB EPIRB Emergency locator beacon, Emergency Position Indicating Radio Beacon. It sends the location over radio when activated. 
Halkip Fairlead A fitting that is used usually outside the cleats for the mooring and anchor ropes. The purpose is to limit the spread of the rope but also to protect the rail, especially for wooden boats. 
Farled Fairway, Waterway The fairway of safe water, usually marked with marks where there are any reefs or obstacles.
Dejsa Fall astern Drifting with the wind, not sailing. 
Falla (av) Fall off Steer away from wind. Also Head down, Bear off
Bredtopp Fathead When the sail has a very wide head (top of the sail), straight aft from the luff. Very modern!
Fender Fender The bumpers that are used on the boat's side and stern when docking. As importance for the sailors image, these are not to be outside the boat when sailing!
Fiolblock Fiddle block One larger and one smaller block in a serie. 
Åtta Figure of eight Knot looking lika an eight and used in ends of all lines. 
Beslag Fitting A fitting is something fitted on the boat or the rig. General name. 
Bankappsegling Fleet race Sail racing on a track with usually outlaid marks. Many boats can race at the same time on a fleet race. 
Jagare Flying jib A smaller jib in front of the jib.
Bärplan Foils Small wings that is used for boats to foil, to be lifted higher up from the water. Also centerboard and rudder blades are named foils, wings that lifts the boat sideways in the water. 
Bomlik Foot The sails lower edge. 
Underlik Foot The sails lower edge. 
Förtriangel Fore triangle The triangle that is created by the forestay, mast and deck, seen from the side of the boat. 
Fördäck Foredeck The deck on the bow. Usually rather flat and in its aft end starts either the cockpit or a deckhouse. 
Förstag Forestay, Headstay The stay in the front of the boat, from the bow up to a point high up at the mast. If the forestay is going to the top of the mast the rig is called masthead. If not, the rig is called fraction rig. 
Partialrigg Fractional rig When the fore stay upper fitting is not at the mast top but lower. The fraction rigs are called as 10/11, 3/4, 7/8 depending on how high the fitting is placed on the mast. 
Fribord Freeboard, top sides Freeboard is the outer side of the boat, going from rail down to waterline. Also topsides.
Fullängdslatta Full batten Batten from luff to leech. 
Fullattestorsegel Full batten mainsail Mainsail that uses full battens, from leech to luff. Gives a good power in the main, often used by multihull boats. 
Rulla in Furl Furling sails are common and then furled by any furler. 
Rullbom Furling boom Furling main boom. Furls the main on the boom, not so common but do exists on bigger yachts. 
Rullfock Furling jib When the jib uses a furl to be furled around the forestay. Also furling genoa. 
Rullstor Furling main Furling main becomes more and more popular especially for cruising sail yachts. 
Hård kuling Gale Very hard wind
Kuling Gale Wind forces from approx 28 to 48 knots per hour. A lot with other words!
Gennaker Gennaker Asymmetrical spinnaker, so called ballon sail becuase of its shpae and usually colours. Hauled in front of the genoa and hoisted in top of the mast. 
Gennakerpeke Gennaker bow sprit A pole or a fixed sprit forward of the boat used to haul the gennaker. 
Genua Genoa Foresail where the foot goes beyond the mast, aft of the mast, compared to a jib. 
Genuafall Genoa halyard The line that you hoist (and haul) the geona (or jib) with.
Genuaskot Genoa sheet The line that you control the angle of the genoa with. 
Väjningsskyldig Give way Give way rules on the water.
Hals Gooseneck The fitting and place between the boom and the mast.
Plattläns Gooseneck Sailing on the run when you can use your foresail and main on different sides. Also called dead run, flat run. 
GPS/GNSS GPS/GNSS Global Positioning System or Global Navigate Satellite Systems. System that uses a number of satellites to determine the location in latiyude and longitude. 
Grabbräcke Grab rail A rail to hold on to. Can be on the deck, deck house but also inside the boat usually in the ceiling. 
GRIB filer GRIB files GRIB files is weather information that can be inserted to a chart plotter showing the weather (winds) at different places and different times. 
Mantåg Guardrail The wire "fence" around the boat, connected in the bow at the pulpit and in the stern at the pushpit and supported bu the stanchions along the side. 
Skarndäck Gunwale The outer part of the deck towards the rail. At wooden boats there are a special pice of wood connecting to the rail. 
By Gust A sudden push of the wind.
Gipp Gybe When you change side of your sails, especially the main boom, going downwind. i.e. changing the boom from port side to starboard side. The wind is coming in over the stern. 
Fall Halyard The line to haul (elevate) the sail with. 
Livsele Harness A harness for attachment of lifeline. 
Lucka Hatch Hatches, openings in deck.
Hala Haul The werb you use when you take down your sails, and also take down flags etc.
Fallhorn Head The sails upper corner, used to tie your halyard. 
Toalett Head The boat's toilet.
Falla (av) Head down Steer away from wind. Also Fall off, Bear off
Riktning Heading The direction the boat is sailing. 
Försegel Headsail, Foresail The sail that is in front of the mast and set on the forestay. i.e. jib or genoa. 
Dreja bi Heaving to When you sheet reefed sails on different sides, the jib towards one side and the main towards the other side. That makes the boat to sail very much on the same place. 
Kränga Heel When the boat is leaning. 
Rorsman Helmsman The helmsman is responsible for helming, steering the boat.
Burka Hiking Hiking, leaning out, from a dinghy to compensate for the wind and water forces. 
Burkband, Hängband Hiking strap The strap that you keep your foots in (below) when hiking.
Hissa segel Hoisting the sail, setting the sail Bring up the sail
Skrov Hull The hull of the boat is the outer part of the boat, the topsides and the part in the water.
Orkan Hurricane Winds from approx 68 knots and above. 
Initialstyv Initial stiff A yacht that needs some wind power to start leaning. Usually wider boats are more initial stiffer becuase of the hull shape. 
Inre förstag Inner forestay An extra forestay aft of the forestay. Used for an extra foresail. 
Beknip Jam When something, a halyard, sheet, trim rope is stucked. 
Fock Jib A foresail that is limited in size so it doesn't overlaps the mast when pulled aft.
Fockbom Jib boom, Jib club A boom used for sheeting the jib that makes the jib self-sheeting. One brand is Hoyt boom.
Fockskotpunkt Jib lead The point where the jib sheet, or genoa sheet, is lead thru a block or ring. The sheeting point for the foresail is one of the easiest trim details for the jib. Modern variants use barber hauls for more precise sheeting point control.
Fiolstag Jumper stay A stay in the top of the mast with usually two small frontwards spreaders to prevent the mast top to bend. Can also be just one spreader forwards. 
Köl Keel The keel is fitted to the boat bottom and prevents the boat to drift when sailing. The keel has also a weight that protects the boat to heel, working more effective the more heel it is. 
Kölbåt Keel boat A sail yacht that uses a keel to prevent drift but also heeling. This makes it also the definition of a keelboat compared to a sailing dinghy. 
Kölbult Keel bolt Keel bolts are bolts to attach the keel to the hull. 
Genomgående mast Keel stepped mast Mast type, rigging type, where the mast goes thru the deck and down to the keel or close to keel. 
Ketch Ketch Two masted sailboat with the smaller mast aft and this is placed forward of the rudder stock.
Knop Knot We use a knot to measure the boat and wind speed. One knot is 1852 meter per hour. 
Knop Knot, Hitch, Bend You use knots to tie a rope.
Farledsmärken Lateral buoys Buoys marking the waterway
Lateralplan Lateral plane The boat underwater profile seen from the side. Used for calculations of the boat's water centre point and compared with sail - wind centre point. 
Lazy bag Lazy bag, Stack pack A sail cover on the boom attached to the lazy jacks and covers the sail when hauled. 
Lazy jacks Lazy jacks Lines from the lazybag going up the mast and used to keep the sail in the lazybag when hauled. 
Akterlik Leech The aft edge of the sail. 
Lä, lävart Leeward The side from the wind, "on the lee/leeward side of the sails"
Fallgirig Leeward helm When the boat is steering away from wind when letting the rudder go. This is not wanted. 
Flytväst Life jacket Floating device in some kind of jacket. 
Livbåt Life raft Life raft is an emergency inflatable boat packed in a bag or plastic box used in emergency and you need to leave your boat.
Livlina Lifeline A rope, or belt, that you use between you (life west) and to parts of your boat preventing you from going away from your boat if you are thrown overboard.
Lift Lift Line to hold the spinnaker boom (or other booms) up. 
LÖA LOA Length Over All, the total length of the boat.
Avlastare Locking cleat See clutch
Logg Log A device to measure the boat speed.
Långskepps Longitudinal Along the boat.
Lösfotad Loose footed A mainsail where the foot isn't connected to the boom all the way, just at the clew. 
Förlik Luff The sails forward edge. On a mainsail along the mast. 
Mastlik Luff The forward side of the sail. From Tack to head.
Förliksinslag Luff bubble Bubble close to the luff in the sail that appears either when you steer pointing to high or have let the sheet to loose. 
Inslag  Luff bubble Bubble along the luff in the sail, you are pointing to high or have released the sheet too much. 
Bukkompensator Luff foam Soft material sewn in a furling jib or furling genoa luff to compensate for the shape when reefing and then furling parts of the genoa. 
LVL LWL Lengt Water Line, a length measured from the first point the bow hits the water to the aft point where the hull drops the water line. 
Storfall Main halyard Tha line that hoists the main sail. 
Storsegel Main sail The main sail is hoisted between the main mast and the boom. 
Storskot Mainsheet Main sheet is used for adjusting the main boom angle.
Göra fast Make fast To secure a line to a cleat.
Mast Mast The mast, no further explanation needed. Made of wood, aluminium, glassfibre or carbon. 
Mastkrage Mast coat When the mast is going thru the deck a mast coat is needed preventing leakage. 
Mastfot Mast step The lowest part of the mast is mast step (mast butt, mast foot). 
Masthead Masthead A rig where the forestay is going all the way to the top of the mast. Common on boats designed in the 1970's
Matchrace Matchrace A sail race where there are two boats competing each other. A very tactical kind of racing. 
Midskepps Midship Mid ship of the boat.
Förtöja Moor To moor the boat, to tie it to something. 
Förtöjning Mooring Mooring is any way to dock the boat to a dock, anchor swaying or anything else. 
Negativ akterspegel Negative transom When the transom is sloping - the upper part of the transom is more forward than the lower part of the transom.
Havskryssare Ocean cruiser Ocean crusier, larger sailboat made for ocean voyages.
Bomuthal Outhaul Outhaul is used to adjust the clews tension from the leech. 
Uthal Outhaul One sail trim function for the clew of the main sail. 
Pina Pinching When you are pointing to high on a close haul. 
Pistolhake Piston hank An easy and fast attchment of the foresail to the forestay. 
Dyvika Plug A hole in the boat bottom in its lowest point used to drain water from the boats bottom or inner bottom. In dinghies the plug is in a lower part of the stern. 
Lova (upp) Point Up, Head Up Sailing closer to wind. In comparison with bear off.
Höjdtagning Pointing Pointing high or low is discussed. Pointing high is going closer to the wind.
Polardiagram Polar diagram Also called VPP, Velocity Predict Program which is a theoretic diagram telling you how fast your boat should be in different winds, directions and different sail settings. 
Babord Port The boat´s left side seen towards the bow. Port (and starboard) are not to be changed with left and right when sailing. You still sail left from the island, but you can have the island on your starboard side of your boat. Left and starboard is only used when it is referring to the boat.
Babords halsar, babords bog Port tack Sailing for port tack, or port bow, you have the wind in from port side (and then have the main boom on your starboard side). 
Försträckt Pre-stretched Pre-streched rope is used a lot becuse it doesn't give that much tension. Very good for trim lines and halyards. 
Preventer, preventer gaj Preventer A line or fitting that is attached to the boom to prevent the boom to fly over in an unwanted gybe. 
Vindby, vindkast Puff, Gust Suddenly changes of the wind. 
Pulpit Pulpit Fence-like device, usually in stainless steel, in the stern. 
Akterpulpit Pushpit Pushpit is the aft "fence", usually in stainless steel. Pulpit is the similar fence in the bow. The name comes from when vessels has a part from where tugboats can either push or pull the vessel.
Pushpit Pushpit Fence-like device, usually in stainless steel, in the bow. 
Radar Radar Radar is an electronic device that sees islands, masts and boats with the help of radar waves. 
Reling Rail The rail is the edge between the deck and the hull, on top of your free board. 
Mastlutning Rake The mast tilting to the aft is called rake. 
Slör, slöra Reach, reaching Sailing with and towards the wind. Divides in close reach, beam reach and broad reach.
Rev Reef Reef is cringles along the leech and luff. 
Revkrok Reef hook A hook placed at the gooseneck where you place your reefing points when reefing. 
Råbandsknop Reef knot Reef knot is used to join two ropes of same size. 
Sejsing Reef point Small strings to tie sail at the foot to the boom when reefed.
Revning Reefing Reefing is reducing the sails area to the wind. On the main you use the reef cringles and usually pull the forward cringle down to a reef hook or similar at the gooseneck between boom and mast. First let the halyard down. Then simultaeanosly pull the reef in the aft of your mainsail. Usually made from cockpit. 
Rigg Rig Mast, boom, stay and shrouds. There are standing rig and running rig. 
Heldragen rigg Rod When the stays and shrouds are made in one pice and not many twinned wires. 
Kickstång Rod kicker A boom wang with a rod kick, hydraulic pressure, that keeps the boom up even without a sail. 
Rullrev Roller reef When you reef the sail with the help of the furler but do not furl it all the way. 
Roder Rudder Device to steer the boat. The rudder is divided in rudder blade, rudder stock (the axle), tiller and tiller extension, or steering wheel.
Roderblad Rudder blade The part of the rudder in the water.
Hjärtstock Rudder stock, rudder post The axle of the rudder.
Läns, länsa Run, running Sailing with the wind coming in from aft, over the stern. 
Löpande rigg Running rig The parts of the righ that isn't fixed. Halyards, trim lines, lifts and downhauls.
Segel Sail  
Segelbuk Sail camber The sail camber makes the lift power of the sail. 
Segelduk Sail cloth The sail cloth can be of a lot of different materials and weights. Dacron is the typically white cloth and Mylar, transparent, is often used. 
Sjökort Sea chart Sea charts are used for sailing. Maps of the sea. 
Sjövärdig Sea worthy Your boat has to be seaworthy for the waters you are sailing at.
Gast Seaman, crew A yacht worker, anyone onboard sailing but not the helmsman. 
Sjömanskap Seamanship A good seamanship is important. Take care of you, your boat and your crew. But do also care about other sailors, boats and nature. 
Självskotande vinsch Selftailing winch A winch with a track in upper part where the sheet, halyard or trim line is coiled with one loop. This makes the winch self-tailing and you don't have to pull in the other end. 
Schackel Shackle U formed link, opened and closed by a bolt. 
Skot Sheet The sheet is adjusting the angle of the sails relativel the boat. 
Skotstek Sheet bend A knot used to join two ropes with different size. 
Grunt vatten Shoal Area of shallow water
Gummilina Shock cord Rubber band for different purposes onboard.
Vantspridare Shroud spreaders See spreaders.
Vant Shroud stay Stay sideways from the mast and down. 
Enlinerevning Single line reefing Reefing a sail by just using one line to pull. The reefing line will then pull both the clew and tack of the sail. 
Skeppare Skipper The skipper has the responsibility for the boat, crew and guests.
Slacka Slack Ease the sheets.
Slup Sloop One-masted sailboat
Spalt Slot Slot between the foresail and mainsail. 
Spira Spar Sailing downwind and you need to get your sails out, especially the genoa, you can use a spar.
Spinnaker Spinnaker "Balloon sail" used for downwind sailing. Usually the highest angle is approx 80 degrees to the wind and down to run, 180degrees. 
Spinnakerbom Spinnaker boom Spinnaker boom is used for sheeting the spinnaker on the windward side. 
Spinnakergaj Spinnaker guy The windward spinnaker sheet is called guy. 
Spinnaker-strumpa Spinnaker sock A "sock" for a spinnaker (or gennaker) that is used to hoist or haul the sail. All package, sock and sail is hoisted. Then the sock is released upwards and the spinnaker fills in the wind. Makes it easier to hoist and haul the spinnaker. 
Sprayhood Sprayhood A cover for the companion way.
Spridare Spreader A pole from the mast going to the shroud and stabilize the mast at that point. Usually on modern boats swept spreaders are used. 
Mantågsstötta Stanchion The poles that holds the guardrail on the side of the boat.
Styrbord Starboard The boats right side seen from aft to bow. 
Styrbords halsar Starboard tack When you sail for starboard, you have the wind coming in from starboard side. 
Stag Stay The stay is wires or rods from the mast down to the boat. Stays are going forward to the bow and backward to the stern, in difference from the shrouds. 
Ratt Steering wheel Wheel used for steering the boat.
Akterlina Sternline Sternline to an anchor or other rope going from stern and aft.
Stormfock Storm jib A very small jib used in heavy winds. A storm jib is usually red. 
Hård bris Strong breeze Harder wind
Redd Sway Anchoring on the sway is when you anchor with one (or possibly two) anchors in the bow. Letting the boat turn around, swaying. 
Bakåtsvepta spridare Swept (backswept) spreaders When the spreaders are swept to the aft and is not going out 90 degrees from the boats centreline. 
Svirvel Swivel A swivel is used for blocks to let them rotate. 
Halshorn Tack A sail lower and forward corner. 
Slag Tack Tacking thru the wind. Going from sailing close haul for starboard bow to close haul for port bow and vice versa. 
Talja Tackle A tackle, with blocks and rope, is used to increase the pull of the rope, like for the main sheet and the kicker.
Tell tales Telltales Strings in the sail. In the foresail close to the luff, in the mainsal in the leech. Tells you how your sheeting and steering is. 
Initialvek Tender A yacht that leans already in light breezes. Usually also they stay more put in a slope when they are sailed and leaned. Usually narrow, roundshape (in section) boats that has low stiffness degree from hull.
Roderkult, rorkult Tiller Controls the steering of the rudder thru a rudder stock. 
Roderkults-förlängare Tiller extension Extends the tiller when you need to sit more to the side at the boat. 
Fotlist Toe rail A rail that is used for foot support in cockpits. 
Dirk Topping lift A line from the mast top to the boom aft end. It prevents the boom to fall down into cockpit. Today most sailboats has a rodkick also preventing the boom to fall down into the cockpit. 
Fribord Topside Topside is the outer side of the boat, going from rail down to waterline. Also freeboard.
Akterspegel Transom Transom is the aft part of the side of the boat. A negative transom has the slope of the upper part is more foreover than the lower part. Positive transom has the slope so the upper part towards the deck is more aft than the lower part of the transom, usually used on more classic yachts. 
Storskotskena Traveler A rail that is used for the main sheet that crosses the boat for adjusting the main sheet angle. 
Travare Traveler Traveler is used at the main luff to connect the sail to the mast. If you don't use bolt rope).
Trimaran Trimaran A boat with three hulls. Compare with monohull and catamaran.
Tripod Tripod A type of spreader that has is formed as a triangle and among others used to keep both the forestay and shrouds on spot. Used at multihulls.  
Sann vind True Wind The speed of the blowing wind, shortening is TW.
Sann Vindvinkel True Wind Angel TWA used on the instrument.
Sann vindhastighet True Wind Speed TWS used on the instrument.
Vantskruvar Turnbuckles A fitting for adjusting the tension of stays and shrouds. 
Dubbelt halvslag om egen part Two half hitches Two half hitches is a clove hitch but connected to itself. Used when tying to something bigger where it is hard to use the clove hitch. 
Motvind Up wind Sailing up the wind, close haul but can also be close reach. 
Vattenlinje Water line The waterline can be the painted waterline along the hull or the real waterline where the water really is along the hull. 
Vinsch Winch A tool for pulling sheets and trimlines with a gear, giving you a lot of power. 
Vindindikator Wind indicator Windindicator, usually in the top of the mast, displays the wind direction. It always shows the apparent wind angle. We usually use the trade mark name Windex. 
Vindroder Wind vane A wind vane is a device mounted on the back of the boat and with help of the wind it will adjust the boat's wind direction towards current wind. 
Windex Windex Wind indicator from the Swedish company Windex.
Ankarspel Windlass  A windlass, usually electric, that pulls the anchor and anchor chain or rope. A windlass can be used both in the bow or in the stern. 
Lovart Windward The side towards the wind. 
Lovgirig Windward helm When the boat wants to turn to the windward side, pointing higher, when you release the rudder, then the boat is windward helm. This is, in smaller portions, wanted. It is a safety thing, if you drop the rudder the boat turns to wind and stays in Wind eye and it also good for the drift of the boat where the keel and rudder together creates a wing with lift. 
Kryssmärke Windward mark When racing on a fleetracing you use a windwark mark for one of the roundings. 
Rynka Wrinkle A wrinkle in the sail. 
Yawl Yawl Two masted sailboat with the smaller mast aft and this is aft of the rudder stock.