Instrument for establishing the altitude and azimuth of stars and planets.

A bill of lading term to provide surrender of the original bill of lading before freight is released; usually associated with a shipment covered under a letter of credit.

A line secured along the deck to lay hold of in heavy weather; a line thrown on board a wreck by life-saving crew; a knotted line secured to the span between life-boat davits for the use of the crew when hoisting and lowering

In navigation, the angle between the point at which the sun rises and sets and the true east and west points of the horizon.

The line that controls the angle of the mainsail in its relation to the wind.

A method of preventing the ends of a line from unlaying or fraying by turns of small stuff, stout twine or seizing wire with the ends tucked.

(1) To lean over to one side, due to wind pressure on the sails or crew on the side; The amount that a boat is tipped over side-to-side, relative to its normal horizontal position. (2) The after end of a ship's keel. (3) The lower end of a mast.

A line used to hoist or lower a sail, flag or spar. The tightness of the halyard can affect sail shape.

Small cask used for carrying drinking water in a boat.

Sails, such as the spinnaker, reacher and reaching staysail used when running or reaching

A gun used in the life-saving services to throw a life line to a ship in distress or from ship to shore and used when a boat cannot be launched.

Small trading vessel also used for exploration. Three-masted, being square-rigged on the two forward masts, and having a lateen rigged mizzen mast. Christopher Colmbus' small squadron, the Santa Maria, Pinta, and Nina, were all Caravels, as were Magellan' ...

A short strut on a mast angled forward at about 45

The ratio in percentage of the time that the equipment is in operation to the total working time.

A rope used for towing or, mooring.

In the Far East, a warehouse where goods are stored and delivered.

A brand of lightweight anchor. It has pivoting flukes that dig into the ground as tension is placed on the anchor.

A strong tropical counterclockwise revolving storm the southern hemisphere. In the northern hemisphere these storms revolve clockwise and are known as hurricanes.

A sea which is traveling in the opposite direction to that of the boat