Machines in which air or gas is compressed by the mechanical action of rotating vanes or impellers imparting velocity and pressure to the flowing medium. (Raise the pressure of the air by converting the energy from the velocity of the air to pressure.)

A docking line going at approximately a right angle from the boat to the dock, preventing movement away from the dock.

Sailing upwind so close to the wind that the forward edge of the sail is stalling or luffing, reducing the power generated by the sail and the angle of heel. Also known as pinching.

Pounds.

Method of payment for goods in which documents transferring title are given the buyer upon payment of cash to an intermediary acting for the seller, usually a commission house.

The vertical absorption of a liquid into a porous material by capillary forces.

The highest operating pressure the system or component is designed to withstand.

Abbreviation for "Electronic Data Interface." Generic term for transmission of transactional data between computer systems. EDI is typically via a batched transmission, usually conforming to consistent standards.

The positioning and shape of the sails to the wind; To sheet in or out the sails for the most optimal performance and speed

American Shipbrokers Association

Water of sufficient depth to allow a boat to travel through it.

An order to stop; as, "Avast heaving!"

A Customs document permitting the holder to temporarily carry or send merchandise into certain foreign countries (for display, demonstration or similar purposes) without paying duties or posting bonds. Any of various Customs documents required for crossin ...

A beam which supports a deck.

Itemized list of commodities with marks/numbers but no cost values indicated.

A heavy colorless gas that does not support combustion but is formed by the combustion and decomposition of organic substances. Found in some ambient air conditions.

The official who is in charge of a harbor, enforcing all its applicable regulations.

Industry-related: A point at which freight moving from one territory to another is interchanged between transportation lines.

A large, swelling wave. To surge a rope or cable, is to slack it up suddenly where it renders round a pin, or round the windlass or capstan.urge ho! The notice given when a cable is to be surged.

A compressor belonging to the group of displacement reciprocating compressors.