Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A biplane having one long wing and one short one above or below it.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

sesqui- (“one and a half”) +‎ plane, referring to long and short wings as “one and a half” wings.

Examples

  • For this reason the Nieuport was designated a “sesquiplane” one-and-a-half wing.

    American Connections

  • After the war, as private flying became fashionable, the same wing design was taken up again by a New York company, which produced over two hundred sesquiplane Brunner-Winkle “Birds” for such flying elites as Lindbergh’s wife.

    American Connections

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