In sailboat racing, to take to opposite tack of the rest of the fleet when behind, hoping that the wind will shift to your benefit.

Fresh bread.

A blast of from 4 to 6 seconds' duration.

Snappy, seamanlike; a smart ship is an efficient one.

The magnetic compass used by the navigator as a standard.

An apparatus consisting of an outside shell and a sheave through which a rope may be passed (pulley).

C The international temperature scale where water freezes at 0 (degrees) and boils at 100 (degrees). Also known as the centigrade scale.

Canvas, cloth, leather, tubing, rubber or other material placed around a line or cable to protect it from wear and abrasion

Achieved when the air compressor is running at full RPM with a fully opened inlet and discharge, delivering the maximum volume at the rated pressure.

elegant, luxurious. Originally an acronym for Port Over Starboard Home. Created by British travelers to India or Australia, describing the preferred accommodations aboard ship, which lessened effects of the tropical sun on the cabins during the voyage.

The last part of a rope or last link in an anchor chain.

Blocks of wood made to fit in the hawse-holes, or holes in the half-ports, when at sea. Those in the hawse-holes are sometimes called hawse-blocks.

An object made with more than one type of material.

A block with a single sheave which is hinged and opens on the side so that the bight of a line can be led into the block and closed without running the whole length through

A device that indicates pressure differential above or below atmospheric pressure.

Sails that lie in the direction of the ship's length and whose luffs abut the masts or are attached to stays.

The place at which a shipment is received by a carrier from the shipper.

Center point of all underwater area of the hull where the hull's lateral resistance can be said to be centered.

see Chanty.

Port of initial Customs entry of a vessel to any country. Also known as First Port of Call.