Primary
''biplane'' ▫ᴱᴺ｜Definition｜1st｜20260213210016-00-⌔
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.
(echo:: @ ⌗)
Link to original Footnotes
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: ↩
1995 July, Keith Tuber, “Aspen’s Summer Charms”, in Orange Coast, volume 21, number 7, →ISSN, pages 21–22: ↩
Secondary
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