biplane - Wiktionary, the free dictionary
English
Adjective
biplane (not comparable)
- Composed of, or relating to, two planes (flat surfaces extending infinitely in all directions).
- ✤ Synonym: biplanar
- ✤ * 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 (Simpson) method of discs or a 3D volumetric rendering is used for LV volume measurements in human echocardiography laboratories.1
- (aviation) Having, or consisting of, two superposed planes, aerocurves, etc.
- ✤ a biplane rudder
Noun
biplane (plural biplanes)
- (aviation) An airplane that has two main wings, one above the other and supported by struts.
- ✤ Coordinate terms: monoplane, triplane
Verb
biplane (third-person singular simple present biplanes, present participle biplaning, simple past and past participle biplaned)
- (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.2
Etymology
From bi- + plane.
Pronunciation
- IPA: /ˈbaɪpleɪn/
- Audio (Southern England): 🔊
- Rhymes: -eɪn
Printed 2026-06-28.
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Footnotes
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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: Elsevier, →ISBN, page 290: ↩
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1995 July, Keith Tuber, “Aspen’s Summer Charms”, in Orange Coast, volume 21, number 7, →ISSN, pages 21–22: ↩