Filter, Regulator and lubricator sometimes combined in one unit

Laid-Up

Beneath the deck

Invisible waves in the electromagnetic spectrum that are used to communicate (radio) - and navigate (radar).

The component of either a liquid or solid solution that is present to a lesser or minor extent: the component that is dissolved in thesolution.

An increase in hardness and strength caused by plastic deformation at temperatures below the recrystallization range.

Man Overboard

Direction-Finder

On older sailing ships, an additional lateen shaped mizzen sail carried on the fourth mast, known as a bonaventure mizzen.

(1) Before finishing to final dimensions, repeatedly heating a ferrous or nonferrous part to or slightly above its normal operating, temperature and then cooling to room temperature to ensure dimensional stability in service. (2) Transforming retained aus ...

Rate of flow of water past a point in a stream, expressed as volume per unit time, i.e. cubic feet per second.

Secretly, to remove spirit from a keg or cask by making a small hole and sucking through a straw. also called Suck the Monkey

(1) When two or more boats tie up alongside each other. (2) Overlapping of edges of two ice-floes, so that one floe is partly supported by the other.

The wheel of the block over which the fall of the block is rove.

Thermometer used for measuring the lowest temperature attained during a given interval of time, for example, a day.

Same as an upper air observation, but commonly used to refer to a single complete radiosonde observation.

The shape of the fore-body of a ship as it thrusts through the sea. A vessel with a slim bow is said to have a fine entry.

A liquid byproduct of wood combustion (or distillation) that condenses on the internal surfaces of vents and chimneys, which if not removed regularly, can corrode the surfaces and fuel a chimney fire.

Changing the consignee or destination on a bill of lading while shipment is still in transit. Diversion has substantially the same meaning.

An anemometer which measures wind speed in terms of the drag which the wind exerts on a solid body. See bridled-cup anemometer, normal-plate anemometer, pendulum anemometer.