The container of fresh water for drinking purpose used by the crew; formerly it consisted of a cask.

The last part of a rope or last link in an anchor chain.

C The international temperature scale where water freezes at 0 (degrees) and boils at 100 (degrees). Also known as the centigrade scale.

A valve which enables pressure to be reduced, or kept constant at a desired level.

Pair of hooks linked together and attached to a crane.

Also known as (U.S.) Federal Bill of Lading Act of 1916. U.S. federal law enacting conditions by which a B/L may be issued. Penalties for issuing B/L's containing false data include monetary fines and/or imprisonment.

A coating or precipitate deposited on surfaces such as water pipes, steam boilers that are in contact with hard water. Water that contains carbonates or bicarbonates of calcium or magnesium are likely to cause scale when heated.

The highest unlicensed rating in the deck department who has immediate charge of all deck hands and who in turn comes under the direct orders of the master or chief mate or mate.

The speed needed for a boat to begin planing.

Fresh bread.

A soft, black, mayonnaise-like deposit which is typically an emulsion of oil, water, and oil insolubles.

A legally binding agreement between two or more persons/organizations to carry out reciprocal obligations or value.

An old naval saying to indicate those young men who, through birth or connection, were able to enter the Royal Navy without examination. Their subsequent promotion was assured.

Towards, near, or at the bow; Prefix denoting at, near, or toward the bow.

The line of longitude 180 degrees opposite Greenwich, England, located in the Pacific that marks the date change

A spring line tied from the boat to chain rode, usually near the water's surface. It helps disperse tension forces. It also prevents damage to the boat by ground tackle and can help in the retrieval of the ground tackle in heavy weather.

Blocks of wood made to fit in the hawse-holes, or holes in the half-ports, when at sea. Those in the hawse-holes are sometimes called hawse-blocks.

In sailboat racing, to take to opposite tack of the rest of the fleet when behind, hoping that the wind will shift to your benefit.

Is a positive displacement reciprocating compressor using a flexible membrane or diaphragm in place of a piston.

Center point of all underwater area of the hull where the hull's lateral resistance can be said to be centered.