The basic unit of measurement for lumber. One board foot is equal to a oneinch board, 12 inches wide and one foot long. Thus, a board ten feet long, 12 inches wide, and one inch thick contains ten board feet.

A symbol placed on packages for identification purposes; generally a triangle,square, circle, etc. with letters and/or numbers and port of discharge.

See CFS.

Fluid cooling agent.

A rope sewn into the luff or foot of a sail for use in attaching to the mast or boom.

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.

Said of a vessel's anchor, or cable when the amount of cable out is not more than one-and-a-half times the depth of water.

The logic of binary systems, such as control systems in which all operations may be reduced to on-off, open-closed, or similar dichotomous basis.

A block with a single sheave which is hinged and opens on the side so that the bight of a line can be led into the block and closed without running the whole length through

Heavy canvas used as a covering.

The renting of a boat

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

The senior engineer officer responsible for the satisfactory working and upkeep of the main and auxiliary machinery and boiler plant on board ship.

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

A built in mechanical device to recover a portion of the power consumed by a constant speed centrifugal compressor when operating at reduced capacity or reduced pressure rise, or both.

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

An object made with more than one type of material.

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

A power or sailing boat used by pi-lots (men who have local knowledge of navigation hazards of ports).

PSI - Pounds per square inch.