A place not suitable for anchoring.

Heavy roll to leeward with a beam wind.

A light line with a weight on the end used for heaving from ship to shore (or ship to ship) when coming alongside. A heavier cable or hawser is attached which can then be hauled over using the heaving line.

A ladder of rope with rungs, used over the side.

Boards fixed vertically to a boat to prevent leeway

Charge assessed by a pier or dock owner against freight handled over the pier or dock or against a steamship company using the pier or dock.

A permanent loop spliced in the end of a line, sometimes around a thimble.

An adsorption type desiccant.

Atmosphere normale de reference. The term ANR is not usually applied to cfm, it is the new European replacement for FAD and usually follows the metric measurement of air flow, such as Cu Meters per Minute

An elastomeric bellow with specially designed metal end closures used in place of pneumatic or hydraulic cylinders. A device which induces action or motion with compressed air being the medium through which the power is transmitted.

A component on a compressed air line designed to increase in magnitude the flow by releasing small amounts of compressed air at high velocity through an internal, ring shaped nozzle. This column of air released through the front creates a vacuum behind, t ...

The law of the sea; jurisdiction over maritime causes.

Down or downwards; as in "Lay alow!"; opposite of Aloft.

Away from the direction of the wind. Opposite of windward.

The farthest aft.

A method causing a liquid or gas to condense on the surface only of an adsorbing material.

The removal of heat from a gas after compression is completed.

Ad valorem.

Also known as a preferred channel buoy. A red and green horizontally striped buoy used in the United States to mark the separation of a channel into two channels. The preferred channel is indicated by the color of the uppermost stripe. Red on top indicate ...

Used for lashing down sails, awnings, etc., a series of round turns where the end is passed over the standing part and under the bight and pulled taut on each turn.