The fitting which connects the boom to the mast.

Small staysail located between the foremast and mainmast.

The inside center strand of rope.

A large foresail which extends aft behind the mast.

Forty Foot Equivalent Units (Containers).

(1) The condition of a vessel stranded on a reef or a rock when the seas break over her deck. (2) Half drunk; incapacitated by drink.

(1) A wind shift further forward relative to the boats direction or heading. (2) A bar or angle under a deck the same size as deck beams. It is used around stair openings in deck, small hatch openings, or at dead end of longitudinals.

A charge made for lifting articles too heavy to be lifted by a ship's normal tackle.

Magnetic variation. The difference, east or west, between magnetic north and true north, measured as an angle. Magnetic variation varies in different geographic locations.

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 propeller drawn through the water that operates a meter on the boat registering the speed and distance sailed

Sailing with the tiller over to leeward by force of the wind

The center plank on a wooden deck.

Specially designed for the transport of condensed (liquefied) gases. The most important gases are: ammonia, ethylene, LNG (Liquefied Natural Gas), which consists mainly of methane, and is cooled to a temperature of minus 163 degrees Celcius, and LPG (Liqu ...

Term applied to the direction of the wind when it is favorable to the course being steered.

When the wind shifts toward the bow. Opposite of lifted.

Weight of the goods alone without any immediate wrappings, e.g., the weight of the contents of a tin can without the weight of the can.

The operation of bringing two lines together; term also applied to other objects.

The swiveled opening at the top of a ventilator.

Said of a vessel when she is shipping water on deck and it is running off through scuppers and freeing ports.