A trailer or semi-trailer with no sides and with the floor of the unit close to the ground.

A hard-chined dinghy with flared sides, considered a useful weight-carrying work boat.

The forward mast of a boat with more that one mast

On a square-rigged ship, a light weather sail set next above the topgallant-sail in fair weather.

A method of signaling and communicating using two flags held in position by the signaler, the positions of the flags denoting the meaning.

SOnar Navigation and Ranging - A device which emits pulses of high frequency sound which are reflected by any solid object they encounter. The time from the emission of the pulse and the arrival of its returning echo is measured, giving a range to the obj ...

The weight shown in a waybill and freight bill, i.e, the invoiced weight.

A term applied to the gas found on the high pressure side of the refrigeration system.

Shipper's communication(s) to its agent and/or directly to the international water-carrier. Instructions may be varied, e.g., specific details/clauses to be printed on the B/L, directions for cargo pickup and delivery.

Waves breaking over rocks or shoals. A wave that approaches shallow water, causing the wave height to exceed the depth of the water it is in, in effect tripping it. The wave changes from a smooth surge in the water to a cresting wave with water tumbling d ...

Part of the standing rigging that helps to support the mast laterally by running from the top of the mast to the side of the boat. Sailboats usually have one or more shrouds on each side of the mast. Some people call them side stays

Said of a vessel that is firm, strong, and unlikely to develop leaks.

The officer in charge of the watch.

A pointed spar driven into the bottom and projecting above the water; when driven at the corners of a dock, they are termed fender piles.

Is the total gas pressure (static plus velocity) at the discharge port of the compressor. Velocity pressure is considered only with dynamic compressors.

(1) Clear, not tangled. (2) sailing free: a vessel is sailing free when her sheets are eased. (3) running free: to sail with the wind from astern.

The westerly distance in an arc from Aries, measured as an angle at the pole or as the intercepted arc of the equinoctial between the hour angle of Aries and the hour angle of the body.

Are of two kinds: First, those built in permanently and part of the ship's structure, used for the reception of water ballast, fuel, oil, or liquid cargo; second, those constructed specially and removable if necessary. These vary greatly in size and shape ...

Lloyds open form

A name usually given to a State body having control or regulation of public utilities.