A cleat that attaches to the backstay over the cockpit, usually used for hanging a lantern

Place where crew is accommodated.

Any small enclosed space in which unwanted items are stowed when clearing up decks.

A notched support for the boom when the sail is not raised. Unlike a gallows frame, a crutch is stowed when boat is sailing.

A man employed in a vessel of war to take charge of a storeroom; as, boatswain's yeoman the man that has charge of the stores, of rigging, etc.

ACRONYM Actual cubic feet per minute.

Abbreviation for "Beneficial Cargo Owner." Refers to the importer of record, who physically takes possession of cargo at destination and does not act as a third party in the movement of such goods.

The machine by which, when dropped to the bottom, the vessel is held fast.

The forwarding agreement or carrying agreement between shipper and air carrier and is issued only in nonnegotiable form.

A single inlet compressor with the impeller or impellers mounted on an extended shaft of the driver.

(1) An old term to denote a lazy sailor who is of little use on the ship. (2) Damaged goods, especially provisions.

Auxiliary engine

A term of measure referring to 42 gallons of liquid at 60o F.

States that the pressure of a gas, at constant volume, varies directly with the absolute temperature.

A component made up of a cylinder barrel, end covers, a piston rod, a steel or stainless steel piston. A device which induces action or motion with compressed air being the medium through which the power is transmitted.

That part of the ocean lying below 300 fathoms from the surface.

An old maritime expression meaning "immediately", as "let go amain" (drop the anchor at once!).

Moves anchors and tow drilling vessels, lighters and similar.

The angle a celestial body makes with the horizon.

The owners of a ship are entitled to payment as freight for merchandise returned through the fault of either the consignees or the consignors. Such payment, which is over and above the normal freight, is called backfreight.