A large piece of fabric designed to be hoisted on the spars of a sailboat in such a manner as to catch the wind and propel the boat.

The motion of a vessel when she goes off from her course.

The national flag flown on a jackstaff on the bow of naval ships while anchored.

A navigational light which turns on and off in a regular pattern, but is on more than it is off, so the period of light is longer than the period of darkness.

Erosion rate per unit of erosion index in a cultivated continuous fallow soil.

International Maritime Consultative Organization. A forum in which most major maritime nations participate and through which recommendations for the carriage of dangerous goods, bulk commodities, and maritime regulations become internationally acceptable.

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Prefix before a ship's name to indicate that she is a steamship.

Liquid flows through into the valve and flows out through one of two tubes which is selected by changing the angle of a lever.

A drive arrangement for power transmission to compressors.

The Quebec pennant is flown when first entering a country, indicating that the people on the ship are healthy and that the vessel wants permission to visit the country. The flag means "My vessel is healthy and I request free pratique.

Used by some seamen to describe St. Elmo's Fire.

A device worn around a person's body that can be tethered to jack lines to help prevent a person from falling overboard.

A small flag placed at the mast head to show wind direction.

Measuring point for compressor acceptance test. Temperature at the compressor inlet flange.

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(Delivered Ex Ship) (...Named Port of Destination):A Term of Sale where the seller fulfills his/her obligation to deliver when the goods have been made available to the buyer on board the ship, uncleared for import at the named port of destination. The se ...

The floor or bottom surface of the enclosed space under the deck of a boat

A deposit resulting from the oxidation and polymerization of fuels and lubricants when exposed to high temperatures. Similar to, but harder, than varnish.