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

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'triplane.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of triplane

1909, in the meaning defined above

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Time Traveler for triplane

Time Traveler

The first known use of triplane was in 1909

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Cite this Entry

“Triplane.” The Dictionary, Merriam-Webster Inc., Accessed 17 January 2020.

More from Merriam-Webster on triplane

Rhyming Dictionary: Words that rhyme with triplane Encyclopedia article about triplane

Comments on triplane

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a plan in which a last survivor takes all

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