To veer or haul on a rope, slightly, so that a part subject to nip or chafe is moved away and a fresh part takes its place.

Surface resistance to relative motion, which slows down movement and causes heat.

Filter, Regulator and lubricator sometimes combined in one unit

Used in meteorology to describe boundaries between hot and cold air masses. This is typically where bad weather is found.

Is the unique temperature to which the air (or any gas) must be cooled in order that it shall be saturated with respect to ice.

Sailing as close to the wind as possible with all sails full and drawing.

A keel that runs the length of the boat.

Achieved when the air compressor is running at full RPM with a fully opened inlet and discharge, delivering the maximum volume at the rated pressure.

A sail having battens that run the full horizontal length of the sail.

A mast supported by the use of lines or wire known as stays and shrouds.

The essential fittings and equipment of a ship, such as anchors, rigging, masts, davits, derricks, winches, etc., excluding her consumable stores such as water, fuel and victuals.

A curved or vertical timber that when paired with a floor or additional futtocks makes the frame of a wooden ship.

Short shrouds which give support to the top of a lower mast.

Meddling or fooling around.

[meaning]

Anything of Government Issue.

General Average

Any little handy contraption such as a scraper or sailmaker's palm, etc.

Any sailboat with a four-sided mainsail, defined by two booms, one located on the bottom, perpendicular to the mast, and another, located on top, at an angle from the mast.

A four sided sail used instead of a triangular main sail. Used on gaff rigged boats.