The positioning and shape of the sails to the wind; To sheet in or out the sails for the most optimal performance and speed

A board with cleats, forming a bridge reaching from a gangway of a vessel to the wharf.

The command given to inform the crew that the helm is being turned quickly to leeward, turning the boat windward

The tide with the least variation in water level, occurring when the moon is one quarter and three quarters full. The lowest high tide and the highest low tide occur at neap tide. The opposite is the spring tide.

To be named or to be nominated. To Be Named. Brokerage and chartering, replaces the name of the ship when it is still unknown.

Abbreviation for "Electronic Data Interface." Generic term for transmission of transactional data between computer systems. EDI is typically via a batched transmission, usually conforming to consistent standards.

(1) Term describing the status of seamen, corresponding to rank in the case of officers. (2) A method of measuring a yacht's expected performance relative to another yacht while racing. Over the years many formulas have been experimented with, in order to ...

A reversible propeller mounted in a tunnel running through the ship/s hull to give movement athwart-ships.

Opposite of absorption or adsorption. In filtration, it relates to the downstream release of particles previously retained by the filter.

A rail around the mast or on the bulwarks with holes for belaying pins to which lines or halyards are attached.

Person given a passage in one of H.M. ships; usually on compassionate grounds.

A topsail on the main mast.

A large, swelling wave. To surge a rope or cable, is to slack it up suddenly where it renders round a pin, or round the windlass or capstan.urge ho! The notice given when a cable is to be surged.

A unit of power equal to 1,000 watts.

The line to which a vessel is submerged with a full cargo on board.

Difference in air or gas temperature between the outlet of the intercooler and the inlet of the compressor.

The transaction or interchange that occurs at the time a container is received by a rail terminal or water port from another carrier.

Meddling or fooling around.

A light sail, such as a spinnaker, used to make the most of light following winds.

Sailing upwind so close to the wind that the forward edge of the sail is stalling or luffing, reducing the power generated by the sail and the angle of heel. Also known as pinching.