from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An airplane having two pairs of wings fixed at different levels, especially one above and one below the fuselage.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An airplane that has two pairs of wings, one above the other
from the GNU version of the Collaborative International Dictionary of English
- adj. Having, or consisting of, two superposed planes, aërocurves, or the like; of or pertaining to a biplane.
- n. An aëroplane with two main supporting surfaces one above the other.
from The Century Dictionary and Cyclopedia
- n. In mathematics, the pair of coincident planes to which the tangent cone of a node reduces, when that node is a binode.
- n. A flying- or a gliding-machine in which two principal superposed aëroplane surfaces are depended upon to sustain the machine in the air.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. old fashioned airplane; has two wings one above the other
Sorry, no etymologies found.
The Gilmore house earned its “airplane” nickname immediately, both because of its shape, looking like a biplane from the east, and because of its location, which made it appear that the "plane" was about to take off over the city of Madison.
Lots of other small planes, some old, some new, also flew over but the only engine nearly as loud as the biplane was the tour boat out of Newburyport harbor.
Some of them can turn complete somersaults, though this is mostly done in monoplanes, and seldom in a biplane, which is much more stable in the air.
"A biplane is a certain kind of a flying machine."
So often they're flashy, ambitious and about as useful to your home cook as, say, a biplane, which is why so few of them end up on my top 10 lists.
[Illustration: Fig. 110] [If you have drawn the picture, Fig. 110, in advance, merely indicate the parts as you proceed; otherwise, point them out as you finish each part of the machine.] "This style of machine is known as the biplane, or two-plane.
Eifler knew how to pilot the lightweight single-prop biplane, which he had bought from the British to fly his agents to remote jungle landing strips.
RHRC: Did you ever have the urge to fly a biplane like Aberdeen Red?
Mr. Oliver's addition of the threat of "jet-setting celebrities" is a charmingly anachronistic touch, as if the rest of us still travel by boat or biplane.
Need spare parts for your World War I-era biplane, or the newest navigation equipment for your ultralight?