founder
the sinking of a boat as it fills with water.freeboard
the portion of the hull that is not under water.furl
to roll up a sail on its boom or spar. galley a kitchen.gangplank
a bridge walk set as a ramp between a vessel and the dock, to facilitate boarding.Genoa
a large headsail or jib.ghosting
sailing in a calm when the wind is apparently absent.gimbals
fixtures that allow objects, such as a lamp, a barometer, or a compass, to swivel and remain level in rough seas.gunkholing
sailing in shallow waters.gunwale
the uppermost edge of the hull's sides, pronounced gunnel.guy
a line or wire.halyard
any line used to hoist a sail.hand
one of the crew.hard alee
to come about.harden up
to sail closer to the wind.hatch
a doorway in a deck.hawser
a heavy line used for mooring or towing.head
the top edge of a sail. Also, a toilet.heading
the direction the boat is sailing in.headsail
any sail set forward of the mast, such as a drifter, jib, or Genoa.head sea
current that is running in the opposite direction of the vessel.heave
crew's pulling together.heave
to stop forward motion by backing the headsail.heaving line
the mooring line with weighted end, tossed to someone on a dock.heel
the lean or angle of a vessel when sailing.helm
the steering wheel or the tiller.helmsman
the person who steers.hike
to lean far out over the side of a boat to help counter extreme heeling.hiking straps
footstraps used to help secure crew members when hiking.hoist
to raise a sail.hold
a storage area below deck.hove down
extreme heeling.in irons
stopped while turning against the wind.jib
a triangular headsail.jib boom
extending beyond the bowsprit, a spar to take an extra headsail.jibe
to tack while sailing downwind.jury-rig
to construct a makeshift part to replace a damaged part, a required skill of sailors.kedge
a means of freeing a boat that has run aground on a sandbar, specifically by throwing an anchor in front of the boat and then pulling the boat free. Also, the small anchor used for this purpose.keel
the fixed fore-and-aft member or backbone of a vessel's bottom.kite
a spinnaker.labor
to roll and pitch in heavy seas.landfall
the first sighting of land.lanyard
any short piece of line used to secure a loose object, such as a pail or a tool, or for fastening riggings.lash
to secure a loose object with line.launch
a small boat used to carry people from land to a moored vessel, or vice versa.lay up
to store a boat during winter.lazarette
a small storage compartment in the stern.leading edge
the front portion of a sail.lee
to leeward; on the side of the boat protected from the wind.leech
the unattached edge of a triangular sail.leeward
the direction the wind is blowing, pronounced loo'ard.leeway
sideways motion of a boat, pushed by the wind or current.line
rope.list
leaning of a vessel caused not by wind or current but by unbalanced weight on board.log
an instrument fixed to a vessel's keel for measuring speed. Also, a journal of daily courses, distances sailed, weather conditions, and similar entries.luff
the leading edge of a sail.luff up
to sail into the wind, causing the leech of the sail to flap.mainsail
the main or largest sail on a boat, pronounced "mains'l."make fast
to secure a line.Marconi-rigged
a triangular sail rigged fore and aft. Also known as Bermuda-rigged.mast
the large, vertical spar to which sails are attached.masthead
the top of the mast.masthead fly
at the masthead, a weathervane or wind indicator.midships
in or near the middle of the ship. Also known as amidships.mizzenmast
the aftmost mast on a yawl or a ketch. moor to tie up a boat.mooring
an anchorage, often marked with a buoy and pennant.outhaul
the line used to increase tension on the foot of the mainsail.painter
see bowline.passage
a voyage from one place to another.pay off
to turn the bow away from the wind.pay out
to let out line.piloting
navigating.pinch
to sail too close to the wind.pitch
the rockinghorse-like, fore-and-aft motion of a vessel moving over waves.pitchpole
the complete somersaulting of a vessel in very heavy seas.planing
skimming across the water.plot
to draw out a course and bearings.port
the left side of a vessel when one is looking forward; opposite of starboard.porthole
a window.port tack
a tack in which the wind is blowing over a vessel's port side.pram
a small dinghy, used as a tender.pulpit
the safety rail at the bow and the stern.quarters
the living and sleeping space below deck.raise a light
to spot a light on shore.