A bridge that can be raised vertically to allow boats to pass underneath.

The meridian from which longitude is measured eastwards or westwards. The longitude of the prime meridian, passing through Greenwich, England, is 0

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

The officer in charge of the watch.

Is the reversal of flow within a dynamic compressor that takes place when the capacity being handled is reduced to a point where insufficient pressure is being generated to maintain flow. Also known as surge.

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

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

Small horizontal spars extending athwartships from one or more places along the mast. The shrouds cross the end of these "spreaders", enabling the shrouds to better support the mast.

(1) A knot used to secure a line to another object such as a ring or cylindrical object or to another line; (2) Common term for an enlistment.

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 ...

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

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

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.

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

Lloyds open form

In spray painting applications, a sealed paint cup with a paint gun which puts a measured amount of air pressure into it. This then forces the paint to the gun for atomization.

A sea running in a direction contrary to the wind, which can be confused and dangerous.

A pillar or handhold on a boat - Hand-hold fittings mounted on cabin tops and sides for personal safety when moving around the boat.

Very small wooden pail having one stave prolonged to form a handle. Used as a bailer in a boat.