(1) The flag traditionally flown by pirate ships. (2) The name given by sailors to the bubonic plague, whose victims were said to turn black.

Once the only method, other than human voice, of passing orders to men on board ship; the instructions to perform certain tasks were conveyed by different notes and pitches on the high-pitched whistle.

Along or around a coast.

All matter consists of molecules which are in constant motion, but which are held together by molecular forces. In a solid the molecules are closely packed and arranged in such a pattern that the influence of the molecular forces is very strong. This give ...

A low vertical lip or raised section around the edge of a cockpit, hatch, etc. to prevent water on deck from running below.

Large ships dating back to the 17th century typically with three masts carrying rectangular sails mounted on horizontal spars called yards. A sailing-ship rig with rectangular sails set approximately at right angles to the keel line from horizontal yards.

the weight of a specified artificial contaminant that must be added to the influent to produce a given differential pressure across a filter at specified conditions. Used as an indication of relative service life.

A flag signaling that a ship is about to sail and that all should report on board. It is International Code Flag "P".

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

In sailboat racing, a tactical maneuver to lock in a competitor by tacking on them in close proximity so they can not tack from under your boat and they start to lose speed due to your sails blocking their sails.

An order to stop hoisting.

A bond covering a croup of persons, articles of properties.

ACRONYM - Compressed natural gas, primarily methane.

On a bellow type air actuator, that part of the flexible member forming an annular protrusion larger than the O.D. of the end retainers or bead rings.

Another term for a marine railway.

An amount added or deducted from base rate to make a rate to or from some other point or via another route.

A machine that compresses air, gases.

A single outlet or limited number of outlets in a building used to connect tools or equipment to the air system.

The document required by the carrier or freight forwarders to obtain (besides the data needed) authorization to issue and sign the air waybill in the name of the shipper.

BTU. The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit under set conditions of temperature and pressure.