The principal sail that is set on the main mast.

A piece of trim, usually wood, used to cover and often decorate a portion of the boat, i.e., caprail.

Describes the pressure drop through a component and is the difference in pressure between two points.

To remove or disassemble gear after it is used.

A fabric bag through which a gas stream is passed for the removal of particulate matter.

The average level of the oceans, used when finding water depths or land elevations.

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

The error in a compass reading caused by the heel of a boat.

Where meals are eaten

The country in which the vessel is registered.

A projecting aperture at the end of a tube, pipe etc. serving as an outlet for compressed air. Reduces the demand on the compressor by generating the highest thrust and volume for the lowest possible air consumption.

A compressor belonging to the group of dynamic compressors.

A call requesting direction in answer to the report of a lookout that an object has been sighted.

Dining room facilities and kitchen for crew separate from the passenger dining room and kitchen.

Also VMG. Actual boat speed after adjusting for such factors as current and leeway.

Arrival at land

An opening such as a hole or vent. An opening through which air can pass, or a restricted opening placed in a pipe line to provide a means of controlling or measuring flow.

(1) A nautical instrument, on the arc of which is a finely graduated scale showing degrees and minutes, with adjustable reflectors, etc.; used to find the altitude of heavenly bodies, angular distances, etc. (2) On a steering gear, the rudder quadrant is ...

A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.

Measurement ton 40 cubic ft or one cubic meter.Net ton, or short ton 2,000 lbs.Gross ton/long ton 2,240 lbs.Metric ton/kilo ton 2,204.6 lbs.Cubic meter 35.314 cubic ft.