C The international temperature scale where water freezes at 0 (degrees) and boils at 100 (degrees). Also known as the centigrade scale.

The magnetic compass used by the navigator as a standard.

see Turnbuckle

Sails that lie in the direction of the ship's length and whose luffs abut the masts or are attached to stays.

The tendency of a boat to move sideways in the water instead of along its heading due to the motion of currents or currents.

A blast of from 4 to 6 seconds' duration.

A sudden and violent gust of wind.

Is a positive displacement reciprocating compressor using a flexible membrane or diaphragm in place of a piston.

An apparatus consisting of an outside shell and a sheave through which a rope may be passed (pulley).

Pair of hooks linked together and attached to a crane.

A flexible strip used for fairing lines.

A device that indicates pressure differential above or below atmospheric pressure.

An old naval saying to indicate those young men who, through birth or connection, were able to enter the Royal Navy without examination. Their subsequent promotion was assured.

An object made with more than one type of material.

Fresh bread.

A structure erected to display a characteristic light as a warning of danger at sea and as an aid to navigation.

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.

A rope sewn into the luff or foot of a sail for use in attaching to the mast or boom.

White-lead and tallow used on standing rigging.

Center point of all underwater area of the hull where the hull's lateral resistance can be said to be centered.