A single block such as a snatch block used as a fairlead to bring a line in a more favorable direction.

A heavy colorless gas that does not support combustion but is formed by the combustion and decomposition of organic substances. Found in some ambient air conditions.

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

Usually refers to intracity hauling on drays or trucks.

A writ issued by a court; requires that specific things be done.

A method of drying natural gas.

Caught in the ice.

A rail surrounding the poop deck.

Polaris, the North Star, is visible in the northern hemisphere and indicates the direction of north. In the southern hemisphere the Southern Cross is used to find the direction of south.

A light line used for hauling over a heavier rope or cable.

A pointed stern, such as those on a canoe.

Is the ratio of the thermodynamic work requirement in the cylinder to actual brake horsepower requirement.

The opening up the back (aft) edge of the mast in which the mainsail luff rope slides when it is hoisted. Some masts have an external sail track.

National Fluid Power Association.

The overlapping of wooden planks, used to form the outer surface of a boat's hull.

Water of sufficient depth to allow a boat to travel through it.

A device consisting of a heat transfer system, a moisture elimination system and a refrigeration system designed to improve the quality of the air and reduce the temperature of the air.

A stationary, spirally shaped passage that converts velocity head to pressure.

A rate applicable from a point on one transportation line to a point on another line, made by agreement and published in a single tariff by all transportation lines over which the rate applies.

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