Is a compression in which the temperature of a gas remains constant.

ISO.

In sailboat racing, to have a controlling position over competitors by staying between them and the next mark or buoy - a tactical maneuver in which the lead boat stays between the trailing boat and the wind or the next mark.

A boom on a jib or staysail.

A small round platform, smaller than a Crow's Nest, which was placed at the top of the mast to provide a greater range of vision from a ship at sea.

ACRONYM - Compressed natural gas, primarily methane.

A wire or rope contrivance placed around cargo and used to load or discharge it to/from a vessel.

Abnormal, rapid reciprocating movement of the disc on the seat of a pressure relief valve.

A general nautical term for Canadians, but more especially for Nova Scotian sailing ships and men.

Arrangements with a steamship line to transport containerized cargo.

The act of supporting anything by propping or shoring it up.

Same as two blocks.

An articulated five-platform railcar. Used where height and weight restrictions limit the use of stack cars. It holds five 40-foot containers or combinations of 40- and 20-foot containers.

Point at which all of the force of the wind can be thought to concentrate; the point in the sail plan that is the balance point for all the aerodynamic forces

A line drawn on a chart, as a result of a bearing, along which the boat is positioned

An additional duty imposed to offset export grants, bounties or subsidies paid to foreign suppliers in certain countries by the government of that country for the purpose of promoting export.

The spiral grooves between the strands of rope after it has been laid up.

Length of chain used for putting around logs or steel products.

A metal plate, strap, or rod bolted to the hull structure to which the lower ends of shrouds and stays are attached

Place where cargo is loaded and leaves a country.