Waves breaking over rocks or shoals. A wave that approaches shallow water, causing the wave height to exceed the depth of the water it is in, in effect tripping it. The wave changes from a smooth surge in the water to a cresting wave with water tumbling d ...

A system of reefing a sail by partially furling it. Roller furling systems are not necessarily designed to support roller reefing.

A filter assembly in which the inlet, outlet and filter element axes are in a straight line.

Shippers load and count. All three clauses are used as needed on the bill of lading to exclude the carrier from liability when the cargo is loaded by the shipper.

The operation of swinging round, by means of braces, the yards of a square rigged ship to set the sails more efficiently to the wind.

A sail having battens that run the full horizontal length of the sail.

A knot widely used when making a boat fast to a post or bollard.

Lying nearly head to wind and stopped, and maintaining this position by trimming sail or working engines.

An enemy vessel captured at sea by a privateer or a ship of war. The term is also applied to contraband cargo taken from a merchant ship.

Going sideways due to a current's set.

A condition of filter element loading in which contaminant spans the space between adjacent sections of a filter element, thus blocking a portion of the useful filtration.

The upward curvature of the keel towards the bow and stern.

Customer designated as party paying for services.

The slight deflection of very small particles in a gas stream that occurs when rapidly moving gas molecules strike them.

A private ship operating under license from a government against the merchant shipping of an enemy.

Small, cake-shaped pieces of ice floating down rivers.

The swell of a ship's hull around the propeller shaft.

A certified document showing the origin of goods; used in international commerce.

A two-masted vessel with foremast square rigged, and mainmast fore and aft rigged. Originally, a ship of brigands, or pirates.

The forward part of the bow which overhangs the keel.