On a square-rigged ship, the area between the after end of the forecastle and the forward end of the booms where lines, blocks, and tackle were stored.

A slang term for an open-top trailer or container with a tarpaulin cover.

The area between opposing shipping lanes, restricted to most navigation except for crossing with caution

Is the ratio of actual capacity to piston displacement, stated as a percentage.

Are those constituents in the suction gas that cannot be condensed to a liquid with the cooling medium available.

Describing a small or confined space. Originated from the time when a cat-o'-nine-tails was used to inflict punishment.

1,000 grams or 2.2046 pounds.

A wooden lattice-work covering a hatch or the bottom boards of a boat; similarly designed gratings of metal are frequently found on shipboard.

A through hull valve, a shut off on a plumbing or drain pipe between the vessel and the sea

Provision in a salvage agreement that money is not payable unless the property is salved in accordance with that accordance.

Any raised portion of a vessel/s hull above an upermost continuous deck such as a poop, bridge or forecastle and extending from side to side of the vessel.

The power required to compress a gas isothermally through a specified range of pressures.

A positive displacement air compressor which has no oil injected into the compression chamber for lubrication, cooling or sealing

A black ball visible in all directions, displayed in the forward part of a vessel to indicate that the vessel is anchored.

The settings on a pressure switch used to either load or unload the air compressor on a constant speed application, or start or stop the compressor on a start/stop application. The cut out pressure is also known as the maximum pressure, or the point at wh ...

A right claim against the guarantors of a loan or draft or bill of exchange.

A small low rail around the deck of a boat. The toe rail may have holes in it to attach lines or blocks and to allow drainage. A larger wall is known as a gunwale.

Vertical distance from the keel to the uppermost deck, taken inside the ship/s plating.

Columnar support for the steering wheel in the cockpit.