Compass rose

A printed ring on a chart giving the directions of true and magnetic north and the local variation.

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Related C-terms

Centerline

The imaginary line running down the middle of the vessel from bow to stern.

Coil

To lay a rope down in neat, uniform loops for storage, or the stored loops themselves.

Cunningham

A line rigged through a cringle a short way above the tack of the mainsail and pulled down…

Catboat

A simple rig with a single mainsail stepped on an unstayed mast set well forward, with no …

Compass

A magnetic instrument indicating the vessel's heading relative to the Earth's magnetic fie…

Companionway

The stairway or ladder leading from the cockpit or deck down into the cabin.

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