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

The quantity of goods that may be imported without restriction during a set period of time.

To drive before a gale, with no sail, or only enough to keep the vessel ahead of the sea. Also, low, thin clouds that fly swiftly before the wind.

A single turn of line around an object with the end being led back through the bight. It's the basis upon which many nautical knots are contructed.

Continuous longitudinals fastened under the deck.

The largest of the headsails; corresponds to the genoa.

The error in a compass reading caused by the heel of a boat.

A tariff published by an agent on behalf of several carriers.

The weight prescribed by agreement between carrier and shipper for goods shipped in certain packages or in a certain number.

The weight by which a shipment is less than the minimum weight.

A boat that is letting herself be subjected to prevailing conditions without the use of sails or other devices. Lying ahull is usually not preferred to other actions because a boat may tend to lie with her beam to the waves and the wind parallel to the wa ...

A commission issued, licensing the commander of a privately owned ship to cruise in search of enemy merchant vessels. see Privateer.

Smaller powered boat used to provide steerage-way when not under sail.

A valve with a faucet type handle used to restrict the flow of water in a line

Touching or fast to the bottom.

A component on a compressed air line that provides wide are coverage with a thin sheet of air. Also amplifies compressed air flow, reduces noise. Used in blowing, cooling. Also known as air curtain.

Is a compact, low mass unit giving smooth, non-vibrating power. Several types include vane, piston, percussion and turbine type motors

Small cask used for carrying drinking water in a boat.

Supported or transported by air.

A charter in which the bare ship is chartered without crew; the charterer, for a stipulated sum taking over the vessel for a stated period of time, with a minimum of restrictions; the charterer appoints the master and the crew and pays all running expense ...