To bring a sailing vessel head to the wind or as close to it as possible in high seas, maintaining a slight forward motion.

A place suitable for anchoring in relation to the wind, seas and bottom.

A yard or pole extending the head or foot of the topsail beyond the topmast or gaff of a gaff-rigged boat

Kilowatt hour - A unit of work, being the work done in one hour at the rate of 1,000 watts.

To come alongside.

A thin, flexible wooden or plastic strip inserted into a pocket (batten pockets) on the back part (leech) of a sail to stiffen it and assist in keeping its form.

Standing or running (adjustable) wire rigging that supports the mast from the stern; a wire mast support leading aft to the deck or another mast

Is the pressure exerted by a vapor confined within a given space. The vapor may be the sole occupant of the space, or may be associated with other gases.

A type of anchor with a heavy inverted mushroom shaped head. Mushroom anchors are used to anchor in mud and other soft ground.

The ship's water closet (toilet or wash-room). The upper edge of a quadrilateral sail.

Inlet butterfly valve. These are fitted on the inlet of most types of compressor and the valve opens and closes to throttle the air flow. However, the term IBV is usually associated with turbo compressors.

International data interchange standards sponsored by the United Nations. See UN/EDIFACT.

The small triangular space found at the intersection of lines of position on a chart when a ship's position is determined by taking three bearings.

Fittings on the mast to which the forestay and shrouds attach.

Insufficient number of crew; shorthanded.

Namely. Used in tariffs to specify commodities.

A crack or hole that accidentally admits a gas or lets it escape.

Thread - Unified national coarse.

To remove from a ship. To remove an item from its place.

Guarantee issued by a bank to a carrier to be used in lieu of lost or misplaced original negotiable bill of lading.