A drawing representing the internal parts of a vessel as if she had been cut straight through, either longitudinally or athwartships. It shows the positions of the frames and their exact curvature in relation to the hull shape.

Heat cannot, of itself, pass from a colder to a hotter body.

A guy who gets Head (toilet) cleaning detail.

The American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., (ASHRAE) is an international membership organization operated for the exclusive purpose of advancing the arts and sciences of heating, refrigeration, air conditioning and ...

On a square-rigged ship, a tackle used for hoisting casks and provisions.

A fixed navigation aid structure, visible during the day, used in shallow waters upon which is placed one or more daymarks.

A complete listing of all cargo entering the country of discharge. Required at all world ports and is the primary source of cargo control, against which duty is assessed by the receiving country.

An unauthoritative story (a tall story).

Dangle a man from one of the yard arms, sometimes by the neck, if the man was to be killed, and sometimes by the toes, if he was merely to be tortured. A severe punishment used aboard sailing ships long ago. Today, a reprimand.

The bottom of the mast, with a shape designed to fit into the mast step.

A form of wear in which seizing or tearing of the gear or bearing surface occurs.

U.S. Commerce Department document, "Shipper's Export Declaration."

Circular blocks in the shrouds or stays to adjust tension.

A coupling device which consists of a spring loaded shutoff valve and a positive locking mechanism. It is used to connect tools, hoses and other accessories. Also known as Quick Disconnect.

A compressed air coupling commonly used on European rail and road vehicles to connect one vehicle to the next.

See Insurance, Particular Average.

Man or boy employed in sailing deep-water craft. Word is sometimes loosely used to include men who go to sea. Used officially to denote a seaman serving on deck.

A place where boats can find fuel, water and other services. Marinas also contain slips where boats can stay for a period of time.

Area into which a boat can not go without tacking.

One who is employed in the working of cargo when a ship is being loaded or unloaded in port.