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nounUsage: often capitalized
: an oversize jib which overlaps the mainsail and is controlled outside the rigging and is used chiefly in races to give a boat more speed
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genoa jib,
a balloon jib, or a very tall balloon jib and topsail combined, used on yachts.
╂[< Genoa, a seaport in Italy]
Useful english dictionary. 2012.