Chock

A deck-mounted fairlead, often smoothed or rollered, through which docklines and anchor rode are led cleanly.

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Related C-terms

Chop

Short, steep, broken waves — typically caused by wind over a shallow or restricted fetch.

Catboat

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

Cutter

A single-masted rig carrying both a jib (outer headsail) and a staysail on an inner forest…

Cast off

To let go a mooring line when departing a dock, mooring, or other vessel.

Cleat

A deck fitting — most commonly a horned or jam cleat — designed to hold a line under load.

Carbon fibre

A stiff, light composite material widely used for modern masts, booms, rudders, and hulls …

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