Two short pieces of timber fixed horizontally fore and aft on each side of the lower masthead of a square rigged vessel and used to support the topmast, the lower crosstrees, and the top.

Break; e.g., the line parted under strain

A term commonly used in connection with a bill of lading. It involves the transfer of rights, title and interest in order to assign goods by endorsing the bill of lading.

On older sailing ships, a heavy piece of curved timber projecting from the bow for the purpose of holding anchors in position for letting go or for securing them after weighing.

The frame of a container constructed to hold one or more thermally insulated tanks for liquids.

Vibration isolation mount. Provides reductions in vibration transmission.

A piece of rope placed so as to confine a spar or another rope. A handle made of rope, in the form of a circle, (as the handle of a chest.) is called a becket.

The maximum rate at which an engine can do work as measured by the resistance of an applied brake. Expressed in horsepower.

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

Electro-mechanical steering device; an instrument designed to control automatically a vessel's steering gear so that she follows a pre-determined track through the water.

An attachment point for another object.

In wooden ship construction, these were cylindrical pins of oak which were used to secure the planks to her timbers. Pronounced "trennels".

Any point of sail with the wind coming from the side of the boat. If the wind is coming from directly over the side, it is a beam reach. If the wind is coming from forward of abeam it is a close reach. If the wind is coming from over the quarter, it is ca ...

A course steered by the compass that has been corrected for variation and deviation

A type of journal bearing in centrifugal air compressors.

A person or firm who transacts all business in a port on behalf of shipowners or charterers. Also called shipping agent; agent.

The distance from the surface of the water to the main deck or gunwale.

Running a compressed air system at a higher than needed pressure.

Under ICC and common law, the requirement that a rate not be higher than is necessary to reimburse the carrier for the actual cost of transporting the traffic and allow a fair profit.

Forward. The opposite of abaft.