To revolve the drum of a capstan, winch or windlass. (Pulling with mechanical deck heaving gear).

In square-rigged vessels, short lines at the lower end of the futtock shrouds used to bring in the shrouds tighter to give room to brace the yards at a sharper angle when sailing close hauled.

Angled frames in the extreme forward or aft ends of a ship which form the sharp ends of the vessel's hull.

A shifting of the wind direction, opposite of backing. Clockwise in the northern hemisphere, counter-clockwise in the southern hemisphere.

Is the force in newton required to move a fluid layer of one square meter area and a thickness of one meter with a velocity of one meter per second.

Can occur any time warm, moist air blows over a surface cool enough to drop it's temperature below the dew point.

Ship supplies.

One carrier assumes the charges of another without any increase in charges to the shipper.

Term for disabled vessel that had to fall out of a convoy and thus became easy prey for submarines.

The falling tide when the water recedes out to the sea and the water level lowers; a period or state of decline.

Quantity of gas actually compressed and delivered to the discharge system at rated speed of the machine and under rated pressure conditions.

Not attached to the shore or the ground in any manner. Usually, but not necessarily, moving through or making way through the water.

(1) As a command, it means to go in the direction indicated, e.g., "Lay foward" (go up) or "Lay alow!" (come down). (2) Of a line or rope, it refers to the direction in which the strands are twisted. (3) Lay the course: able to fetch a given point when cl ...

A metal plate fitting on the deck that can be opened to take on fuel or water

An instrument used to keep a record of atmospheric pressure, such as on a paper drum.

Privilege to use the rate producing the lowest charge.

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.

A type of filter capacity test in which a clogging contaminant is added to the influent of a filter, under specified test conditions, to produce a given rise in pressure drop across the filter or until a specified reduction of flow is reached. Filter life ...

A temporary repair or replacement using improvised materials and parts.

The act of striking or collision of a moving vessel against a stationary object.