A compressor belonging to the group of dynamic compressors.

The stay that the jib is hoisted on. Usually the headstay.

Where meals are eaten

Nautical slang for the spirit of the sea, usually in the form of a sea devil. Davy Jones's Locker is the bottom of the sea, the final resting place of sunken ships, articles lost or thrown overboard, and of men buried at sea.

A locker big enough to hang clothes.

The permitted increase in pressure developed after the valve has opened. Usually expressed in percentage, ie.; 3% accumulation (A.S.M.E. Code, Section I). Flows through safety/relief valves are officially determined at these overpressure conditions.

Hoisting the ensign at 8 a.m. and down at sunset.

A line drawn to indicate both the direction and magnitude of a force, such as leeway or a current.

Official terminology for life jacket. When properly used a PFD will support a person in the water. Also called a life jacket, life preserver or life vest.

Mesh is the number of openings in a square inch of screen or sieve. It is equal to the square of the number of strands of metal or plastic screening per lineal inch. Standard US mesh screen # 16 equates to a 1.19 millimeter particle diameter, mesh size #4 ...

Packages loaded on a pallet, in a crate or any other way that enables them to be handled at one time as a unit.

(1) The rolled up part of a sail, tied with the reef lines, that is used to reduce sail area for heavy winds; To reduce the sail area. (2) A group of rocks or coral generally at a depth shallow enough to present a hazard to navigation.

To reeve and secure a stopper (hold a strain on a line while transferring it).

See Heave To

Structural pieces running fore and aft between the beams.

A small local current usually caused by tidal streams as they ebb and flow around or against obstructions.

Flow of air under specific conditions required at a particular point.

The length of the boat at the waterline.

The part of a rotating element that counteracts any inherent thrust developed by the impellers.

A soft, cylindrical fabric bag for clothes and personal possessions