Cubic feet per minute (cfm) of air required at the inlet to the distribution system.

A metallic pad, usually embedded in concrete, on which the compressor feet are mounted.

When the two blocks of a tackle have been drawn as close together as possible.

The operation of rinsing out a cask to prepare it for new contents. Casks were once the primary means of carrying on board the necessary water and victuals.

Laying up of a vessel, in a dock, for repairs.

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

The tender of one lot of cargo at one time from one shipper to one consignee on one bill of lading.

A container fitted with a rear door and a minimum of one side door.

Said of the anchor chain when moored and the chain does not lead clear of another chain.

1.06 liquid U.S. quarts or 33.9 fluid ounces.

The alternate rise and fall of the bow of a vessel proceeding through waves.

A barge which loads material dumped into it by a dredger and discharges the cargo through the bottom.

Water which runs down and collects in the bilges of a ship and usually becomes foul and noxious.

Kept in a neat seaman-like manner.

Lines drawn on a weather map indicating regions of equal pressure. When the lines are close together, this indicates a rapid change in air pressure, accompanied by strong winds.

Loose ends of line left hanging over a ship's side.

Chest, or compartment, in which is stowed clothing for issue to crew.

A type of knot used to fasten an anchor to its line.

A large net with its mouth held open, towed by a trawler along the bottom to catch bottom fish.

An automatic or manual valve that causes the flow to be by passed.