To sail too close to the wind so that the sails start to luff.

A term applied to the gas found on the high pressure side of the refrigeration system.

The headings of a sailboat in relation to the wind, i.e., upwind, close reach, reach, broad reach, downwind.

A tall buoy used as a navigational aid.

The space between decks. The name of the deck or decks between the ceiling and main deck.

A standard numerical code used by the U.S. Government to classify products and services.

The forwardmost or front part of the vessel. Opposite of Stern

To take in the slack and secure the standing rigging.

The act of taking a ship on the high seas from those lawfully entitled to it.

SOnar Navigation and Ranging - A device which emits pulses of high frequency sound which are reflected by any solid object they encounter. The time from the emission of the pulse and the arrival of its returning echo is measured, giving a range to the obj ...

Sufficient movement through the water to allow the boat to be controlled and steered by the rudder.

2,000 pounds.

The distance between frames.

Sideward force created by a spinning propeller.

A small boat designed to be rowed by use of its oars. Some dinghies are rowboats.

A schooner with a square rigged sail on the forward mast.

Is the saturation pressure at the critical temperature. It is the highest vapor pressure that the liquid can exert.

The state of a vessel when she is so loosened as to droop at each end.

Division of the circumference of the magnetic compass card into thirty-two points, each of 11

Also rubbing strake or rub strake. An applied or thickened member at the rail, running the length of the boat; serves to protect the hull when alongside a pier or another boat.