A course marked by buoys or ranges measuring one nautical mile. Measured miles are used to calibrate logs.

Said of a seaman who has retired from sea service.

A light spar set fore and aft on a boat, serving as a spread for the boat cover.

The dimensionless number obtained when the difference between maximum and minimum instantaneous shaft speeds during one period is divided by the arithmetic mean of these two.

Is a unit of work equal to 33,000 foot pounds per minute, 550 foot pounds per second, or 746 Watts.

For ships, a cargo handling area parallel to the shoreline where a vessel normally ties up.- For land transportation, a loading or unloading platform at an industrial location or carrier terminal.

General name for a broad, flat-bottomed boat used in transporting cargo between a vessel and the shore. The distinction between a lighter and a barge is more in the manner of use than in equipment. The term "lighter" refers to a short haul, generally in c ...

Are load carrying machine elements permitting some degree of motion in which the lubricant is air or some other gas.

(1) Generic name for a large sea-going vessel. (2) To take an object aboard, such as cargo, or water. (3) To put items such as oars on the boat when not in use.

A concrete foundation with lateral supports which rests upon a number of steel springs. Designed to deal with disturbing frequencies in vibration isolation

In navigation, the smaller angle at which two position lines on a chart intersect. The fix will be more reliable as the angle approaches 90

Short shrouds which give support to the top of a lower mast.

Go to bed without undressing.

A book containing the official record of a ship's activities together with remarks concerning the state of the weather, etc.

Steel wire, used to support over-the-side sampling apparatus

A squally wind sometimes accompanied by rain, observed as a dark cloud stretched across the horizon.

A ring or hoop of metal.

The rank held by a naval seaman.

A ship designed to carry either ore or oil in bulk.

Cubic feet per minute. An airflow measurement of volume.