Small masses of drift ice with waterways in which a vessel can sail.

A sailboat is always on one tack or the other; that is the sail is always on one side or the other.

Remove a boat from the water.

See Multiple Containerload Shipment.

Also known as the square knot, it is formed by two half hitches in which the ends always fall in line with the outer parts. This knot is used to loosely tie lines around the bundles of sail that are not in use after reefing.

Gilded carving and scroll work decorating the hulls of ships.

The area between opposing shipping lanes, restricted to most navigation except for crossing with caution

On a square-rigged ship, the area between the after end of the forecastle and the forward end of the booms where lines, blocks, and tackle were stored.

Sink by filling with water.

A measure of weight ashore and a measure of capacity on a vessel.

To remove a sail.

An area of the North Atlantic east of the Bahamas where a powerful eddy in the water causes Sargasso weed to collect in vast quantities and float on the surface.

Is the ratio of the theoretical work calculated on an isothermal basis to the actual work transferred to the gas during compression.

A large square of heavy canvas fitted with lines to allow it to be drawn under the hull of a ship where it is damaged. The pressure of the seawater holds it tight against the ship and greatly reduces the inflow of water.

Supporting braces made into a right angle, used for strength when two parts are joined.

Applies to vessels, not to cargo, (0.2+0.02 log10V) where V is the volume in cubic meters of all enclosed spaces on the vessel.

Compass error. The difference between the reading of a compass and the actual magnetic course or bearing due to errors in the compass reading. These errors can be caused by metals, magnetic fields and electrical fields near the compass. The act of checkin ...

Dining room facilities for officers separate from the crew and passenger dining room.

Any boat built to certain standards or rules so that is like all others in the same class.