9 Grammatical Pitfalls


[bahy-pleyn] /ˈbaɪˌpleɪn/
an airplane with two sets of wings, one above and usually slightly forward of the other.
Origin of biplane
1870-75; bi-1 + (air)plane Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for biplane
  • The fly winds up as a sort of biplane with a double set of wings.
  • Overview in a biplane aircraft, two wings are placed one above the other.
  • This is not usually considered a biplane, as the two wings are not one above the other.
British Dictionary definitions for biplane


a type of aeroplane having two sets of wings, one above the other Compare 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
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Word Origin and History for biplane

airplane with two full wings, one above the other, 1874, as a theoretical notion; first attested 1908 in reference to the real thing; from bi- + plane (n.1). So called from the two "planes" of the double wings.

Online Etymology Dictionary, © 2010 Douglas Harper
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