Systeme International. The international system of unit measurement.

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

To lift or raise, such as a sail or a flag.

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.

The theoretical speed that a boat can travel without planing, based on the shape of its hull This speed is 1.34 times the length of a boat at its waterline. Also known as hull speed.

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

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

Refers to the shape of a boat's (usually power boat) hull. A deep V hull is usually good at cutting through rough waves at high speeds.

When a container or vessel has reached its volumetric capacity before its permitted weight limit.

A rail service whereby rail cars carry containers stacked two high on specially operated unit trains. Each train includes up to 35 articulated multi-platform cars. Each car is comprised of 5 well-type platforms upon which containers can be stacked. No cha ...

Sailing with the wind coming from the port side, with the boom on the starboard side.

A weather prediction.

Navigation rules governing waters outside designated demarcation zones

(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.

Adjustable stays used to support and control tension on the mast when the wind is from abaft the beam; temporary backstays used to stabilize the mast and prevent undue flexing due to the pumping action of the sea.

Sailing as close to the wind as possible with all sails full and drawing.

The Greek god of the sea.

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

To take the opposite tack when sailing to windward with another yacht.

British standard pipe tapered.