Alphabet used by the Navy when making sure that a letter is understood; i.e. "BRAVO OSCAR ALPHA TANGO spells BOAT"

To assemble passengers and/or crew.

Gallons per minute

Magnetic variation. The difference, east or west, between magnetic north and true north, measured as an angle. Magnetic variation varies in different geographic locations.

An in-house bill of lading. A duplicate copy.

Fine separated particles floating in the air and clouding it. A substance in the gaseous state.

The sudden heave of the ship.

An instrument that measures atmospheric pressure in inches or millibars of mercury

The center plank on a wooden deck.

A raft used in case of emergencies, such as sinking or fire.

A cap for the top of the mast.

A train of a specified number of railcars, perhaps 100, which remain as a unit for a designated destination or until a change in routing is made.

Abbreviation for "Less than Container Load." The quantity of freight which is less than that required for the application of a container load rate. Loose Freight.

Thin strips of wood put around the hatches, to keep the tarpaulin down. Also put upon rigging to keep it from chafing. A large batten widened at the end, and put upon rigging, is called a scotchman.

The highest level of cube utilization that can be achieved when loading cargo into a container.

A device that removes solid contaminants, such as dirt or metal particles, from a liquid or gas (air is a gas), or that separates one liquid from another, or a liquid from a gas. The term filter describes the complete unit ... housing, filter element, int ...

On vessels constructed of wood, the narrow gap between the planks which form the decks and sides and were caulked to make them watertight. Since wood swells when it's in contact with water, a narrow seam is necessary to allow for the expansion.

Abbreviation for "Not Otherwise Indexed By Name."

An empty wine bottle after its contents have been drunk.

A short-sea vessel which transfers cargo between a central "hub" port and smaller "spoke" ports.