The bottom of the mast, with a shape designed to fit into the mast step.

Shore crane with a wide span.

A seaman's sewing outfit for heavy work.

Direction or bearing of an object relative to a boat's heading.

See Insurance, Particular Average.

A letter of credit forwarded to the beneficiary by the advising bank without engagement on the part of the advising bank.

Order to pick up goods at a named place and deliver them to a pier. Usually issued by exporter to trucker but may apply to a railroad, which completes delivery by land. Use is limited to a few major U.S. ports. Also known as shipping delivery order.

Melting and becoming a liquid by absorbing moisture.

A term used to designate an object for which the correct name has been forgotten.

Cargo to/from regional ports are transferred to/from a central hub port for a long-haul ocean voyage.

Loaded with more cargo than a ship can safely navigate with. Drunk.

Heat exchangers for raising the temperature of compressed air to increase its volume.

In charge of twelve to four watch. Ships navigation officer. Keeps charts (maps) up to date and monitors navigation equipment on bridge.

To let go.

A letter of credit that allows the beneficiary to transfer in whole or in part to another beneficiary any amount which, in aggregate, of such transfers does not exceed the amount of the credit. Used by middlemen.

40 cubic feet.

Any body of rate tariffs that are not part of an agreement or conference system.

A semi great circle joining the north and south poles. Known as lines of longitude, they cross the equator and all parallels of latitude at right angles.

is an ejector used to compress waste or exhaust steam or any other gas through a moderate range of compression above atmospheric pressure.

Surrounded by land.