A stream of vapor, gas or liquid coming out fast from a narrow orifice.

After or trailing edge of a sail; the after edge of a fore-and-aft sail and the outer edges of a square sail.

The sudden heave of the ship.

The permitted increase in pressure developed after the valve has opened. Usually expressed in percentage, ie.; 3% accumulation (A.S.M.E. Code, Section I). Flows through safety/relief valves are officially determined at these overpressure conditions.

Structural pieces running fore and aft between the beams.

To haul in or bind something together in order to create more space.

Maintaining position over the ground when underway in a river or tidal stream.

The center plank on a wooden deck.

Use of individual carrier/rail equipment through a central agency for the benefit of carriers and shippers.

Atmospheric pressure as measured by a barometer.

A navigational aid with a light that flashes about once per second.

The operation of taking a sounding with the hand lead (to find bottom).

When the wind pushes on the wrong side of the sail, causing it to be pushed away from the wind. If the lines holding the sail in place are not released, the boat could become hard to control and heel excessively.

A means of purifying an air stream by using both gravitational and centrifugal forces.

The most common type of sail used today, a triangle-shaped mainsail defined by the mast and one horizontal boom perpendicular to the mast.

A lit navigational aid such as a lighthouse that can be used at night or in poor visibility.

Small boat carried on the vessel and used in case of emergency.

Short for compressed natural gas or CNG. A type of compressed gas used as fuel for stoves and heaters. CNG is stored in metal cylinders prior to use. CNG is considered safer than other types of fuel such as propane LPG - because it is lighter than air and ...

A hole in the hull for mooring lines, cable, or chain to run through.

To haul in until the line has a strain upon it.