To touch bottom.

Water service between two coasts; in the U.S., this usually refers to water service between the Atlantic and Pacific or Gulf Coasts.

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

A machine which aspirates gas which has already been compressed and delivers the same at higher pressure.

An announced warning of an approach of a storm.

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

Division of the circumference of the magnetic compass card into thirty-two points, each of 11

The forward part of a boat's main deck.

The method by which a racing yacht may object to the actions of a rival on the basis of a breach of the racing rules. A protest committee will hear both sides, and if the protest is upheld, the offending yacht may be penalized.

(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 ...

(1) To stop moving. (2) Usually air travels smoothly along both sides of a sail, but if the sail is not properly trimmed, the air can leave one of the sides of the sail and begin to stall. Stalled sails are not operating efficiently.

A compressor belonging to the group of displacement reciprocating compressors.

Is the total gas pressure (static plus velocity) at the discharge port of the compressor. Velocity pressure is considered only with dynamic compressors.

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

Small horizontal spars extending athwartships from one or more places along the mast. The shrouds cross the end of these "spreaders", enabling the shrouds to better support the mast.

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

Lie at anchor

On a square-rigged ship, the act of lowering a spar or yard to the deck.

Swing of the boom from one side of the ship to the other when the tack is changed.

Joining the ends of two lines without increasing the thickness over the length of the splice, so that the splice will pass freely through a block.