Are used with ejectors to convert weight of gas and/or water vapor handled to or from equivalent air.

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.

A heavy longitudinal timber placed over the keel in a ship's stern through which the propeller shaft passes.

Lights required to be shown on boats underway between sundown and sunup.

To drag the bottom for an anchor. Also, large oars used in small vessels to force them ahead.

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

To transfer goods from one transportation line to another, or from one ship to another.

Also stability sail or riding sail. Any small sail set to help the boat maintain its direction without necessarily moving, as when at anchor or in heavy weather.

A figure marked on the side of merchant vessels to indicate allowed loading depths. Named after Samuel Plimsoll, English Member of Parliament and maritime reformer.

Too heavy aloft.

A device used to keep a line from slipping, such as a jamcleat.

Cycles per minute - a unit of measure of the frequency of any vibration.

Port where cargo is discharged from means of transport.

The penalty a seller must pay if the construction project does not meet contractual standards or deadlines.

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

A propeller at the lower sea-covered part of the bow of the ship which turns at right angles to the fore-and-aft line and thus provides transverse thrust as a maneuvering aid. A propulsor installed near the bow to provide a transverse thrust component en ...

Light, warm wind on surface of sea.

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

The marrying of two or more portions of one shipment that originate at different locations, moving under one bill of lading, from one shipper to one consignee. Authority for this service must be granted by tariff publication. See Bill of Lading.

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