Carbon fibre

A stiff, light composite material widely used for modern masts, booms, rudders, and hulls where strength-to-weight ratio matters.

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Related C-terms

Cleat

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

Centerline

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

Chart

A nautical map showing coastlines, depths, aids to navigation, and hazards.

Code Zero

A very flat, large, reaching sail set on a continuous-line furler forward of the forestay;…

Compass rose

A printed ring on a chart giving the directions of true and magnetic north and the local v…

Chock

A deck-mounted fairlead, often smoothed or rollered, through which docklines and anchor ro…

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