Marks of identification.

A fitting around the propeller shaft to keep the bearing lubricated and to keep water out of the boat.

A slang term for an open-top trailer or container with a tarpaulin cover.

Any raised portion of a vessel/s hull above an upermost continuous deck such as a poop, bridge or forecastle and extending from side to side of the vessel.

A black ball visible in all directions, displayed in the forward part of a vessel to indicate that the vessel is anchored.

A course marked by buoys or ranges measuring one nautical mile. Measured miles are used to calibrate logs.

At or towards the stern or rear of a ship.

American Standards Committee X12 responsible for developing EDI standards for the United States.

The top of a wave.

A measure of weight ashore and a measure of capacity on a vessel.

A direction of forty-five degrees or less from the stern.

Vessels operating on fixed itineraries or regular schedules and established rates available to all shippers. The freight rates which are charged are based on the shipping company's tariff or if the company is a member of a liner conference, the tariff of ...

The horsepower required to compress adiabatically the air or gas delivered by the compressor through the specified range of pressures.

Originally a seaman who, not wanting to work, preferred to exist by hanging around ports and harbors and living on the charity of others. Now more generally describing any loafer around the waterfront who prefers not to work.

Ratio of the pressure of a gas to its critical pressure, in like units.

To lash up.

Shipped under rate that includes cost from end of ship's tackle at load port to end of ship's tackle at discharge port.

Across the width of a boat. Also Athwartships.

Differences between the compass reading and an actual magnetic direction caused by magnetic forces in the vicinity of the compass, which are usually the result of masses of metal, speaker magnets, etc. (2) Vessel departure from specified voyage course.

To sail a boat closer to the wind - to steer closer to the wind, usually by pulling in on the sheets