A sail having characteristics of a genoa and a spinnaker(noun)
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Use "gennaker" in a sentence
"You can get race news (on the Kiwi crew member who lost a finger, for example), updated photos of the beach from the "San Diego Bay-Cam" and a glossary for finding out the difference between a gennaker and a burgee."
"The situation has been beginning to get increasingly manageable since Franck Cammas and his men hoisted the heavy airs gennaker around 1100 hours UTC, with one reef in the mainsail."
"Franck Cammas and his men hoisted the heavy airs gennaker around 11: 00 hours UTC yesterday, with one reef in the mainsail."