Type of shackle designed to take several eyes connected to several lengths of chain.

A wind coming from the southwest

A rope used for additional support or for additional securing, e.g., preventer stay.

The cabin towards the front of the vessel.

A weather prediction.

The Greek god of the sea.

The portion of a safety/relief valve that surrounds the spring. The spring housing.

To gain hydrodynamic lift, causing the boat to lift, rising slightly out of the water so that it is gliding over the water rather than plowing through it, reaching speeds in excess of those normally associated with its waterline length.

In a manner, or fashion, befitting a seaman.

On a square-rigged ship, the short pieces of line which hang from the yards and support the footropes on which the topmen stand while working aloft on the sails.

Blower.

(1) A spar. Such as a pole used to position a sail (e.g., spinnaker pole or whisker pole, which serves the same purpose for a jib). (2) One of the two points around which the earth spins, known as the north and south poles.

To reverse or change directions, to turn around

A legal paper or license of a boat or its captain.

Goods which have been prohibited from entering a belligerent state by the declaration of a blockade.

Movement of crest of a progressive wave. Can also refer to radio waves.

A measurement. The international unit of energy. One joule is equal to one WATT - second or 0.737 foot pounds.

To collide with a vessel head on.

An able-bodied seamen entrusted with the steering of a vessel when entering or leaving a harbor. He is also involved with the use and upkeep of navigational equipment.

A method of removing heat from the flowing medium by circulation of a coolant in passages built into the diaphragm.