ISO.

In maritime warfare, a declaration published by a power forbidding sea-borne trade with an enemy.

A low vertical lip or raised section around the edge of a cockpit, hatch, etc. to prevent water on deck from running below.

The process of declaring the importation of foreign-made goods into the United States for use in the United States.

Place where cargo is loaded and leaves a country.

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.

That part of the water which is diverted from the main stream of a current and as a result flows in the opposite direction.

On a square-rigged ship, the yards are square by the braces when they are at right angles to the fore-and-aft lines of the ship.

A non-profit entity that represents the interests of a number of shippers. The main focus of shippers associations is to pool the cargo volumes of members to leverage the most favorable service contract rate levels.

Center point of all underwater area of the hull where the hull's lateral resistance can be said to be centered.

A boom on a jib or staysail.

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

An articulated five-platform rail car that allows containers to be double stacked. A typical stack car holds ten 40-foot equivalent units (FEU's).

(1) A small coastal inlet generally protected from the worst of the prevailing winds. (2) A thin, hollowed line cut along a yacht's sheer below deck level and traditionally gilded.

ACRONYM - Compressed natural gas, primarily methane.

A document, certified by a consular official, is required by some countries to describe a shipment. Used by Customs of the foreign country, to verify the value, quantity and nature of the cargo.

A single outlet or limited number of outlets in a building used to connect tools or equipment to the air system.

Sailing with the wind coming from the stern or quarter of the boat.

A pair of vertical wooden or iron heads on board ship, used for securing mooring or towing lines. Similar to dock bollards.

Same as two blocks.