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triplane

noun
tri·​plane | \ ˈtrī-ˌplān How to pronounce triplane (audio) \

Definition of triplane

: an airplane with three main supporting surfaces superposed

Examples of triplane in a Sentence

Recent Examples on the Web

 Exhibits include fi rearms, artillery pieces, uniforms, armored vehicles, and even a Fokker triplane. — Smithsonian, "World War I Cemeteries & Memorials Around the World," 26 May 2017

First Known Use of triplane

1909, in the meaning defined above

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