When the draft of a ship fore and aft are the same. Floating level (no list).

To cast overboard or off. To discard something as unwanted or burdensome. Goods or equipment may be jettisoned to lighten a ship in danger.

Underwriters Lab.

Quantity of gas actually compressed and delivered to the discharge system at rated speed of the machine and under rated pressure conditions.

A triangular topsail set above the mainsail in a gaff-rigged vessel.

A place not suitable for anchoring.

The measurement around the body of a ship. The half girth is taken from the center line of the keel to the upper deck beam end.

Allows equipment and supplies arriving at one port to be loaded on a vessel, aircraft, etc., for its exclusive use and to be exported from the same port.

Continuous longitudinals fastened under the deck.

An old name for high waves when they break with a white crest.

Term for disabled vessel that had to fall out of a convoy and thus became easy prey for submarines.

The largest of the headsails; corresponds to the genoa.

The total gas pressure (static plus velocity).

A sea on the quarter (coming from a side of the stern).

A forceful resistance to recognized authority. A refusal to obey a legal order of a superior officer is also considered mutiny.

The act of striking or collision of a moving vessel against a stationary object.

A ladder of rope with rungs, used over the side.

One carrier assumes the charges of another without any increase in charges to the shipper.

(1) A sailing vessel common in the Far East. It's flat-bottomed, high sterned, has square bows, and has two or three masts carrying lugsails. (2) Old and condemned rope.

Close beside a ship, wharf or jetty.