biplane

[ bahy-pleyn ]
/ ˈbaɪˌpleɪn /

noun

an airplane with two sets of wings, one above and usually slightly forward of the other.

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earnest

Origin of biplane

First recorded in 1870–75; bi-1 + (air)plane
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for biplane

British Dictionary definitions for biplane

biplane
/ (ˈbaɪˌpleɪn) /

noun

a type of aeroplane having two sets of wings, one above the otherCompare monoplane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012