A cap for the top of the mast.

The flat circular piece secured on the top of the mast.

A course steered by the compass that has been corrected for variation and deviation

The north end of the earth's axis and also called North Geographic Pole. The direction indicated by 000

The speed and direction of the wind felt or measured when stationary. The motion of a boat will cause the wind to appear to be coming at a different direction and speed, which is known as apparent wind

The tall, narrow, waterproof box that houses a vessel's centerboard and allows it to be retracted into the ship's hull.

A compressor belonging to the group of displacement reciprocating compressors.

A device for mounting cylinders.

Release of merchandise by a bank to a buyer while the bank retains title to the merchandise. The goods are usually obtained for manufacturing or sales purposes. The buyer is obligated to maintain the goods (or the proceeds from their sales) distinct from ...

A small, heavy triangular loose-footed sail fitted aft of the mast and used primarily in very strong winds.

A small vessel fitted for towing.

A powerful, strongly built boat designed to tow or push other vessels, and to assist in maneuvering a ship in a confined area.

An air operated device for hoisting or pulling. Similar to a slusher or winch

The distance the ship's side falls in towards the center line above the load water line. Opposite of flare.

A receptacle, open to atmosphere, that is used to used to collect condensate. For example, two or three drain pipes from various filters may be discharging into a funnel. In this case the funnel is a tundish.

The adjustment of the standing rigging, the sails and the hull to balance the boat for optimum performance.

An ornamental knot to provide a stopper on the end of a line.

Complete encirclement of a cleat, bollard, pin or winch by a line.

Go to bed without undressing.

The point where the bottom and the sides of a ship join.