Circular iron band used to hold a bowsprit on the stem of a sailing vessel.

A navigational aid with a light that flashes about once per second.

(1) To adjust the sails for best advantage. (2) Fore and aft balance of a boat. If either the bow or stern is depressed, the vessel is said to be down by the bow or down by the stern. (3) To trim is to adjust. It does not just apply to sheets. You can tri ...

Direct current. A continuous, one directional flow of electricity

The country in which the vessel is registered.

An abbreviation of forecastle.

The windward side (from where the wind is blowing).

A rope used for securing any movable object in place

A solid wharf or structure built of stone along the edge of a harbor used for loading and offloading of cargo, and embarkation and disembarkation of passengers.

A deck exposed to the wind and sea.

A ton on which the shipment is freighted. If cargo is rated as weight or measure (W/M), whichever produces the highest revenue will be considered the revenue ton. Weights are based on metric tons and measures are based on cubic meters. RT=1 MT or 1 CBM.

A wind shift that forces a boat to sail below its mean wind course.

Those frames of a ship's hull which are equal in area, one forward and one aft of the ship's center of gravity.

Search of a vessel, by Customs authorities, for unreported goods.

A sailor's trunk; the intake between the ship's side and a sea valve.

The highest continuous deck which runs the full length of the ship without a fall or interruption.

Is used in psychrometry and is the temperature recorded by a thermometer whose bulb has been covered with a wetted wick and whirled on a sling psychrometer. Taken with the dry bulb, it permits determination of relative humidity of the atmosphere.

A container frame fitted to accommodate two or more separate tanks for liquids.

Transaction or interchange that occurs at the time a container leaves a rail or water terminal.

An instrument that, once established, cannot be modified or cancelled without the agreement of all parties concerned.