The structure perpendicular to the shoreline to which a vessel is secured for the purpose of loading and unloading cargo.

A term indicating that a vessel is holding her own against a contrary current.

Surface resistance to relative motion, which slows down movement and causes heat.

The process of connecting a moving rail car with a motionless rail car within a rail classification yard in order to make up a train. The cars move by gravity from an incline or "hump" onto the appropriate track.

The slowest speed at which a vessel steers.

A bunk which runs under the cockpit

On square-rigged ships, a small light square sail set above the skysail in fair weather. If the sail were triangular, it would be called a Skyscraper.

(1) A piece of equipment used to drive piles into the ground. (2) Name given to a ship which because of her short length, cannot ride two consecutive waves, and pitches violently into the second.

A verb with a variety of meanings. To round in is to haul in quickly; to round up is to bring a sailing vessel head into the wind; to round down a tackle is to overhaul it; to round a mark is to pass a racing mark.

Pull the sail in by pulling on the sheet.

An indication on a draft that the documents attached are to be released to the drawee only on payment.

Said of a vessel when forced to heave to or lie at anchor due to fog.

A watertight cockpit with scuppers, drains, or bailers that remove water.

To subject petroleum oil to heat for breaking down into lighter products.

A block and tackle attached to the boom and the deck to prevent the main from gybing when sailing downwind

DC. A continuous, one directional flow of electricity.(2) A type of electricity transmission and distribution by which electricity flows in one direction through the conductor; usually relatively low voltage and high current; typically abbreviated as dc.

Location where cargo enters the care and custody of carrier.

Polytetrafluorethylene.

A watertight covering, usually small, that may be removed so the interior of the hull can be inspected or water removed.