Cargo thrown overboard in order to lighten the ship and washed ashore.

Holes cut in a plate to make it lighter and yet not reduce its strength.

A fabric, usually synthetic, used to make sails.

A wooden bar which may be shipped in the capstan head for heaving around by hand (to heave up anchor or heavy objects by manpower).

Maintains and monitors radio, sends and receives messages. Often maintains electronic navigation. Latest replaced with certified GO (Deck officer)

A watch tackle (small, handy block and tackle for general use).

An object used as a reference point while navigating.

Kilo or metric ton. 1,000 Kilos or 2,204.6 pounds.

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

Said of a vessel when stopped and lying near the wind in heavy weather. See Heave To

Enormous sea monster supposed to have been seen off coasts of America and Norway. Sometimes mistaken for an island.

Transportation charge advanced by one carrier to another to be collected by the later carrier from the consignor or consignee.

A rope spliced into the end of a block and used for making it fast to rigging or spars. Such a block is called a tail-block.

An abbreviation of forecastle.

An industry abbreviation for "Hazardous Material."

Said of a lighthouse not tended.

A loop shaped fitting attached to the deck, spar, boom, etc., used to secure a line or block to some part of the vessel.

The degree to which all the forces on a boat are symmetrical so the vessel sails with just a slight weather helm.

Is used in psychrometry and is the temperature recorded by a thermometer whose bulb has been covered with a wetted wick and whirled on a sling psychrometer. Taken with the dry bulb, it permits determination of relative humidity of the atmosphere.

The air compressor continues to run, usually at full RPM, but no air is delivered because the inlet is either closed off or modified, not allowing inlet air to be trapped.