Definition of bi–wing
of an airplane
: having two sets of fixed wings usually placed one above the other : being a biplane As in years past, four vintage bi-wing warplanes flew in formation over the grounds, contrails billowing behind them before reversing their course for another low fly-by. — Coty Dolores Miranda, Arizona Republic, 1 Mar. 2010
biwingsInstead, Grumman designed its own fighter—the XFF-1, a stubby biwing with a crew of two under a transparent canopy. — Norman Polmar, Naval History, June 2011
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First Known Use of bi–wing
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