The joining of two timbers by beveling the edges so the same thickness is maintained throughout the length of the joint.

A positive displacement type compressor.

Practices and measures that increase energy efficiency.

Is the unique temperature to which the air (or any gas) must be cooled in order that it shall be saturated with respect to ice.

A large body of water taken aboard (ship a sea).

Loss of effective propeller thrust caused by the blades cutting across the column of water sucked along by the propeller instead of working in it. Can also lead to heavy vibration of the vessel.

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 ...

Complementary equipment for terminal and over the road handling containers.

Crew store managed by crew members offering everything from snacks to toiletries. Originally the name given to clothing that was issued to seamen.

A white navigation light carried by vessels under way at night to indicate their presence and give an indication of their course.

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

A dynamic compressor. A machine in which air or gas is compressed by the mechanical action of rotating vanes or impellers imparting velocity and pressure to the air or gas. In a centrifugal compressor, flow is in a radial direction. Air enters the compres ...

To double a vessel's mooring lines.

An old term for getting married.

To cause a break in the hull which may sink the vessel; the vessel is then called stove.

Swing of the boom from one side of the ship to the other when the tack is changed.

When flogging a seaman, to run the fingers through the Cat-O'-Nine-Tails after each stroke to separate the strands in preparation for the next stroke.

A port designated by the government of a country for duty-free entry of any non-prohibited goods. Merchandise may be stored, displayed, used for manufacturing, etc., within the zone and re-exported without duties.

To know and to be able to recite the points of a compass from north to south to north again, both clockwise and counter-clockwise.

A single masted cutter built expressly for the prevention of smuggling and the enforcement of customs regulations.