An announced warning of an approach of a storm.

Very small wooden pail having one stave prolonged to form a handle. Used as a bailer in a boat.

A compressor belonging to the group of displacement reciprocating compressors.

(0.2+0.02 log10(Vc)) Vc (4d/3D)2, for passenger ships the following formula is added: 1.25 (GT+10000)/10000 (N1+(N2/10)), where Vc is the volume of cargo holds, D is the distance between ship's bottom and the uppermost deck, d is the draught N1 is the num ...

The forward part of a boat's main deck.

The forward mast of a boat with more that one mast

A floatation device shaped like a U and thrown to people in the water in emergencies.

The meridian from which longitude is measured eastwards or westwards. The longitude of the prime meridian, passing through Greenwich, England, is 0

When flogging a seaman, to run the fingers through the Cat-O'-Nine-Tails after each stroke to separate the strands in preparation for the next stroke.

The total pressure minus the static pressure in an air or gas stream.

A safety device used to prevent or stop unwanted flames.

Lie at anchor

To spill the sails is to take the wind out of the sails, either by heading up into the wind, or by easing the sheets to the point where the sails can hold no wind.

A standard numerical code used by the U.S. Government to classify products and services.

A bridge that can be raised vertically to allow boats to pass underneath.

The difference between the diameter of a shaft rod, etc., and that of the hole in which it works.

The upper deck rail along both sides of a vessel to prevent anyone on board from falling overboard.

A ported enclosure which directs the flow of a gas through the filter element.

A breakwater used as a landing pier.