Above the main deck.

A rail car without a roof and walls.

An astray shipment (a lost shipment that is found) sent to its proper destination without additional charge.

A quality of compressed air for use with pneumatic instruments and controls. (usually dry and free from contaminants)

Too heavy aloft.

A certificate authenticated by a recognized port authority, certifying that a ship comes from a place where there is no contagious disease, and that none of her crew was infected with such a disease.

Leaning out over the side of the boat to to counteract heel and balance it.

Type of wrench used to tighten or loosen fire hose fittings.

The space between the two sides of the shell of a block in which the sheave is fitted.

Port where cargo is discharged from means of transport.

A sailing vessel dead in the water due to lack of wind (not moving).

A fender made of granulated cork and covered with woven tarred stuff.

Abbreviation for "Gross Vehicle Weight." The combined total weight of a vehicle and its container, inclusive of prime mover.

A draft that matures either a certain number of days after acceptance or a certain number of days after the date of the draft.

A unit of pressure used with vacuum pumps, equal to 1mm of mercury and 133.32 Pascal's.

Development of the lugsail rig where the sail is cut with a very short luff and lon leech.

Any steel bar or column, fitted vertically, to support a deck, or any part of a ship's structure. Also called a stanchion.

A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.

A liquid piston compressor is a rotary compressor in which a vaned rotor revolves in an elliptical casing, with the rotor spaces sealed by a ring of liquid rotating with it inside the casing.

A Latin term meaning "For the sake of form."