bi-wing

adjective

ˈbī-ˌwiŋ 

variants or less commonly biwing

ˈbī-ˌwiŋ

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

bi-wing noun

or less commonly biwing

plural bi-wings also biwings

Instead, 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

Word History

First Known Use

1947, in the meaning defined above

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