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

A fabric, usually synthetic, used to make sails.

A document prepared by the captain of a vessel on arriving at port; shows conditions encountered during voyage, generally for the purpose of relieving ship owner of any loss to cargo and shifting responsibility for reimbursement to the insurance company.

Said of a lighthouse not tended.

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.

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

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

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

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

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).

An industry abbreviation for "Hazardous Material."

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

Metal or wooden peg inserted in gunwale of a boat for an oar to heave against when rowing without crutch or rowlock.

To prevent contact with an object while bringing the ship alongside.2. To push off when making a landing.

Is the ratio of the computed isentropic temperature rise to the measured total temperature rise during compression.

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.

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

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.

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

A support fixed on the front part of a chassis (which is retractable); used to support the front end of a chassis when the tractor has been removed.