Genoa

A large headsail whose clew overlaps the mast, giving extra upwind drive compared with a working jib.

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Related G-terms

Gaff

On a four-sided fore-and-aft sail, the spar that supports the sail's upper (head) edge.

Gudgeon

A ring-shaped fitting on the transom into which a rudder's pintle pin drops, allowing the …

Gooseneck

The articulated fitting that joins the forward end of the boom to the mast, allowing the b…

Galvanic series

A ranking of metals by their tendency to corrode in a given electrolyte (typically seawate…

G.M.T.

Greenwich Mean Time — the mean solar time at the prime meridian in Greenwich, London. Now …

Gybe

See jibe — a turn in which the stern passes through the wind.

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