biplane
noun
- airplane wing configuration with two stacked main flying surfaces
Wiktionary
Pronunciation: /ˈbaɪpleɪn/
adj
Etymology: Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Italic *dwi- Latin bi-bor. English bi- English plane English biplane From bi- + plane.
- 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 (Simpson) method of discs or a 3D volumetric rendering is used for LV volume measurements in human echocardiography laboratories.”
- Having, or consisting of, two superposed planes, aerocurves, etc.
“a biplane rudder”
noun
Etymology: Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Italic *dwi- Latin bi-bor. English bi- English plane English biplane From bi- + plane.
- An airplane that has two main wings, one above the other and supported by struts.
verb
Etymology: Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Italic *dwi- Latin bi-bor. English bi- English plane English biplane From bi- + plane.
- 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.”