Said of a line that leads from its point of attachment towards the stern of the ship.

To tie something with a line; to secure

For gauging purposes a transverse section including all longitudinal members such as plating, longitudinals and girders at the deck, side, bottom, inner bottom and longitudinal buklheads.

A short oar. To scull, is to impel a boat by one oar at the stern.

A pear-shaped, grooved metal fitting around which an eye splice is made

A component on a compressed air line that provides wide are coverage with a thin sheet of air. Also amplifies compressed air flow, reduces noise. Used in blowing, cooling. Also known as air knife.

Instrument for establishing the altitude and azimuth of stars and planets.

Sails, such as the spinnaker, reacher and reaching staysail used when running or reaching

Navy term meaning Officer of the deck.

A short strut on a mast angled forward at about 45

A member of the ship's crew.

Condensation which occurs when a ship sails from a cool to a relatively warm climate.

Is the pressure existing at a given temperature in a closed vessel containing a liquid and the vapor from that liquid after equilibrium conditions have been reached. It is dependent only on temperature and must be determined experimentally.

A journey made at sea by a vessel, usually including both the outbound and homebound passages.

A gun used in the life-saving services to throw a life line to a ship in distress or from ship to shore and used when a boat cannot be launched.

A hand hold. Usually along the cabin top or ladder.

Insufficient number of crew; shorthanded.

A line used to hoist or lower a sail, flag or spar. The tightness of the halyard can affect sail shape.

A type of anchor with a heavy inverted mushroom shaped head. Mushroom anchors are used to anchor in mud and other soft ground.

The direct sailing line in which a racing mark or buoy can be fetched while sailing the desired course