Word.ws English Dictionary

biplane

/ˈbaɪpleɪn/

biplane adjective: composed of, or relating to, two planes (flat surfaces extending infinitely in all directions).

biplane: composed of, or relating to, two planes (flat surfaces extending infinitely in all directions)
Image: British official photographer, Public domain, via Wikimedia Commons

Adjective

biplane (not comparable)

  1. Composed of, or relating to, two planes (flat surfaces extending infinitely in all directions).
    • biplane angiography
    • The left apical 4-chamber image is used for one measurement and for a “biplane” estimate (that averages values from orthogonal planes), either the right parasternal long-axis image (the authors' preference) or the left apical 2-chamber view (shown here) is also measured. […] Either a biplane...2021, John D. Bonagura, Virginia Luis Fuentes, “Echocardiography”, in John S. Mattoon, Rance K. Sellon, Clifford R. Berry, editors, Small Animal Diagnostic Ultrasound, 4th edition, St. Louis, MO...
    Synonyms:
    biplanar
  2. Having, or consisting of, two superposed planes, aerocurves, etc.
    • a biplane rudder

Noun

biplane (plural biplanes)

  1. An airplane that has two main wings, one above the other and supported by struts.

Verb

biplane (third-person singular simple present biplanes, present participle biplaning, simple past and past participle biplaned)

  1. (intransitive, rare) To fly in a biplane.
    • For an unforgettable experience, try llama trekking along a gentle trail in the White River National Forest, […] There also are sky-high balloon rides, biplaning, hang gliding, paragliding and plenty of wilderness paths for hiking.1995 July, Keith Tuber, “Aspen's Summer Charms”, in Orange Coast, volume 21, number 7, →ISSN, pages 21–22

Synonyms of biplane

Forms of biplane

Noun
pluralbiplanes
Verb
third-person singular presentbiplanes
present participlebiplaning
past participlebiplaned
pastbiplaned

Origin of biplane

From bi- + plane.

Words formed from biplane

Words that rhyme with biplane

48 more rhymesFewer rhymes

Questions about biplane

What does biplane mean?
Biplane means composed of, or relating to, two planes (flat surfaces extending infinitely in all directions).
What part of speech is biplane?
Biplane can be an adjective, a noun or a verb.
How do you pronounce biplane?
Biplane is pronounced /ˈbaɪpleɪn/.

Words near biplane in the dictionary

  1. bipinnatisected
  2. bipkwele
  3. biplanal
  4. biplanar
  5. biplanarity
  6. biplane
  7. biplaned
  8. biplanes
  9. biplanetary
  10. biplaning
  11. biplicate

Source and license

Adapted from Wiktionary: biplane (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-biplane.wav.

Cite this entry: “biplane.” Word.ws, https://word.ws/biplane. Based on Wiktionary, CC BY-SA 4.0.