Any system, usually block & tackle or hydraulic, used to hold the boom down. This is useful for maintaining proper sail shape by exerting a downward pull on the boom, particularly when running or on a broad reach.

A Latin term meaning "In proportion."

Person who decoys a seaman from his ship and gains money by robbing and, or, forcing him on board another vessel in want of men.

To trim the sheets in.

A design in which the forestay runs to the top of the mast.

On square-rigged ships, a small light square sail set above the skysail in fair weather. If the sail were triangular, it would be called a Skyscraper.

The seller must deliver the goods to a pier and place them within reach of the ship's loading equipment. See Terms of Sale.

A verb with a variety of meanings. To round in is to haul in quickly; to round up is to bring a sailing vessel head into the wind; to round down a tackle is to overhaul it; to round a mark is to pass a racing mark.

To throw an oar out of the rowlock, and raise it perpendicularly on its end, and lay it down in the boat, with its blade forward.

A sail attached to the boom at the tack and clew, but not along the foot, or a fore-and-aft sail which is set without a boom.

DC. A continuous, one directional flow of electricity.(2) A type of electricity transmission and distribution by which electricity flows in one direction through the conductor; usually relatively low voltage and high current; typically abbreviated as dc.

An old seafaring dish made of boiled oatmeal seasoned with salt, sugar, and butter.

A watertight covering, usually small, that may be removed so the interior of the hull can be inspected or water removed.

(1) A piece of equipment used to drive piles into the ground. (2) Name given to a ship which because of her short length, cannot ride two consecutive waves, and pitches violently into the second.

Micrometer or one millionth of a meter; micron is sometimes represented in filtration by the Greek letter

Location where cargo enters the care and custody of carrier.

A small flat bottomed boat square at either end.

A steamship. A ship propelled by a steam engine.

A term indicating that a vessel is holding her own against a contrary current.

Cargo-securing devices mounted in the floor of containers; allow lashing and securing of cargo.