ABAFT-Astern of; behind; at the rear of; toward the stern.
ABEAM-At right angles to the keel.
ADRIFT-Loose from moorings.
AFT-Toward or near the stern.
ASTERN-To the rear or behind.
BACK-To back a sail is to pull it to the windward side of the vessel. The wind is said to back when its direction shifts in a counterclockwise direction; it is the opposite of veer.
BACKWIND-When the wind hits the ordinarily leeward side of a sail.
BATTEN DOWN-To secure or to make watertight.
BEAM-The point of a vessel's greatest breadth.
BEAM ENDS-A boat is said to be on its beam ends when it is knocked over onto its side.
BEAT-To sail to windward; tack.
BEND-To bend on sails is to attach them to the vessel, before hoisting, so they are ready for use.
BILGE-The inside of a vessel near the keel where water may collect.
BLOCK-A pulley; a frame enclosing one or more sheaves or rollers over which lines are run.
BOOM-A spar at the foot of a fore-and-aft sail.
BOOM CRUTCH (OR CRADLE OR CROTCH)-A prop that lifts the boom off the deck and holds it secure when it is not in use.
BOW-Forward part of a boat.
BROACH-A vessel broaches when it swings broadside to the wind and waves when running free.
BULKHEAD-A partition or wall below decks.
BUOY-A floating object anchored to show position.
CENTERBOARD-A pivoted board-like device that can be lowered to provide lateral resistance to the water in shoal draft vessels.
CLEW-Aftermost corner of a sail.
COAMING-Raised protection around a cockpit.
COCKPIT-Space within the coaming where the helmsman sits. A self-bailing cockpit has drains to allow water to run out of it.
COME ABOUT-To bring the boat from one tack to the other when sailing into the wind.
DAGGERBOARD-KEEL-Heavy, board-like surface used to provide lateral resistance to the water, raised and lowered vertically.
DEAD RECKONING-Determining a vessel's position by the course sailed and the distance covered.
DINGHY-A small rowboat that sometimes is rigged with a sail. Also called tender or dink.
DOUSE-To take in or lower a sail.
DRIFT-The leeway of a boat.
DROGUE-A canvas bucket or conical-shaped device used to provide resistance in the water and slow a vessel or keep its bow pointed into the wind and waves.
DYE MARKER-Capsule of dye used to color a patch of water to help searchers find a boat or person.
EASE-To let out the sheet so as to relieve the pressure on the sail and possibly spill some wind.
ENSIGN-A national flag flow on a boat.
FEND-To push off.
FOOT WELL-Central area of cockpit designed to accommodate helmsman's feet.
FORE-In or toward the bow of a boat.
FORE-AND-AFT-Parallel to the keel.
FORESTAY-Wire used to support mast, leading to the bow.
FREEBOARD-The distance from the top of the hull to the water.
GAM-Visiting or conversation carried on between persons from separate ships at sea.
GENOA-Large, overlapping jib. Also called a genny.
GHOST-To make headway when there is no apparent wind.
GRAB RAIL-Railing, usually on cabin top, used as handhold.
GREENWICH MEAN TIME-Time as measured at the meridian of Greenwich, England.
GUDGEON-An eye fitting into which the rudder's pintles are inserted.
GUNKHOLING-Shallow-water sailing and anchoring in out-of-the-way places.
HALYARD-A line used to hoist a sail. Also spelled halliard.
HATCH-An opening in a deck with a cover.
HEAD-The upper corner of a sail. Also, a boat's toilet.
HEAVE TO-To stop a vessel's progress by putting out a sea anchor or drogue, or hauling a headsail to windward.
HEAVING LINE-Line with a weighted end to facilitate throwing it ashore or to another vessel.
HEEL-The tilt, tip, listing or laying-over of a boat, usually due to the force of the wind.
HELM-The tiller by which the rudder is controlled.
HULL-The main body of a boat.
IN IRONS-A boat in the wind's eye which, having lost all headway, will not go off on either tack.
JIB-A triangular sail set forward of the mast.
JIBE-When running, to bring the wind on the other quarter so that the boom swings over. Also spelled gybe.
JIB SHEET-The line leading from the lower aft end of the jib to the cockpit and by which the set of the jib is controlled.
JIGGER-Another name for the mizzen or aft sail on a ketch or yawl. Such a sail was improvised on Tinkerbelle to help her ride better to a sea anchor.
KEEL-The backbone of a boat running fore-and-aft.
KNOT-Measure of distance; one nautical mile, 6,080 feet. Measure of speed: one nautical mile per hour.
LAPSTRAKE-Overlapping plank of a boat.
LAZARETTE-A stowage compartment in the stern.
LEE SHORE-A shore on the side of the boat away from the wind.
LEE SIDE-The side of the boat away from the wind.
LEEWARD-In the direction away from the wind.
LIFELINE-Line by which person is attached to boat.
LINE-Nautical term for rope used for riggings, anchoring, tying up, etc.
MAINSAIL OR MAINS'L-The large sail set abaft the mast.
MAINSHEET-The line that controls the mainsail.
MASTHEAD-Top of the mast.
MOOR-To secure a vessel to an object such as a dock or buoy.
PINTLE-Metal braces or hooks upon which the rudder of a boat swings.
POINT-To sail as close as possible to the wind.
PORT-Left side of a boat, facing toward the bow.
PORT TACK-Boat sailing with the wind coming over the portside.
QUARTER-The after part of a boat's side; that part of a craft which is within forty-five degrees from the stern, known as the port quarter or starboard quarter.
RADAR REFLECTOR-Metallic contrivance which reflects radar beams.
REACH-Points of sailing between running and pointing close-hauled. Close reach, sailing nearly close-hauled. Beam reach, sailing with the wind abeam. Broad reach, sailing with the wind abaft the beam.
REEF-To reduce sail area by partly lowering sail and securing the surplus material to the boom.
RUBBING STRAKE-Outer plank of hull designed to protect hull from docks.
RUB RAIL-Same as rubbing strake.
RUNNING-Sailing before the wind.
RUNNING LIGHTS-Lights carried by a vessel under way.
SEA ANCHOR-A drag device (usually a conical canvas pocket held open by a metal hoop, but a canvas bucket in Tinkerbelle's case) used to keep the boat headed into the wind and waves while it is not under way, especially during heavy weather.
SECURE-To make fast; to tie or lock into position.
SELF-BAILING COCKPIT-A cockpit provided with drains to allow water washed into it to return to the sea.
SEXTANT-Instrument used to determine the altitude of the sun or stars used in navigation.
SHACKLE-A U-shaped piece of metal with a removable pin across the open end. Shackles are attached to the ends of a boat's halyards and used to link the halyards to the heads of the sails for hoisting.
SHEAVE-The wheel in a block or at the masthead.
SHROUD-Standing rigging, usually of stainless-steel wire, running from the mast to the sides of a boat to support the mast. The masts' principal lateral stays.
SLOOP-A sailing vessel with one mast and one sail (a jib) before the mast.
SPAR-General term for masts, booms, whisker poles, etc.
STANDING RIGGING-The shrouds and stays and other rigging not moved in working the boat.
STARBOARD-The right side of a vessel, looking toward the bow.
STARBOARD TACK-Sailing with the wind coming over the starboard side.
STAY-Rigging, usually wire, used to support a mast.
STEERAGEWAY-The amount of a forward movement necessary to make a vessel's rudder effective.
STEM PLATE-The plate at the bow to which the jibstay (forestay) is attached.
STERN-The after part of a boat.
STIFF-A boat is said to be stiff when it is not easily heeled.
STORM SAILS-Small sails of heavy canvas for use in heavy weather.
STOW-To put away.
SQUARE SAIL-A rectangular sail attached to a spar suspended at the middle from a mast.
SWELL-The waves that continue after the wind that created them has changed in direction or vanished.
SWING THE BOAT-To rotate the vessel to check the compass on known courses.
TABERNACLE-A hinge at the base of a mast which allows the mast to be lowered easily.
TACK-The lower forward corner of a sail. Also, to sail to windward in a series of zigzags.
TILLER-A bar connected with the rudderhead and by which the rudder is moved to steer the boat.
TOPPING LIFT-A line attached at one end to the masthead and at the other to the aft end of the boom, which support the boom while the sail is being set.
TROUGH-The valley between the peaks of successive waves.
TRYSAIL-Small storm sail set in lieu of the mainsail.
UNSHIP-To remove or detach.
VEER-Wind shift in a clockwise direction.
WAKE-The foamy path of disturbed water left behind a moving boat.
WATERLINE-The line painted on a boat's side indicating the proper trim.
WEATHER HELM-A sailboat in which the tiller must be pulled (usually only slightly) toward the wind to keep it on course.
WEATHER SIDE-Windward side of a sailboat.
WHISKER POLE-A light spar positioned between the mast and the clew of the jib to hold out the sail when running before the wind.
WINDWARD-Toward the wind.