• WordNet 3.6
    • n monoplane an airplane with a single wing
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Century Dictionary and Cyclopedia
    • n monoplane A flying-machine or a gliding-machine which depends for sustention upon a single aeroplane (surface) or upon a single pair of aeroplanes laterally disposed. In a flying-machine of this type, M. Louis Bleriot crossed the English Channel, July 25, 1909. See aëroplane, n., 2.
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In literature:

There's nothing like a monoplane when real work is to be done.
"Danger! and Other Stories" by Arthur Conan Doyle
The dragon-fly is an almost perfect model of the modern monoplane.
"An Elementary Study of Insects" by Leonard Haseman
What has come of that French monoplane whose purpose was to chase such visitors?
"The Incomparable 29th and the "River Clyde"" by George Davidson
In general it followed the stream lines of the modern French monoplane.
"On the Edge of the Arctic" by Harry Lincoln Sayler
Before the end of January he was enrolled as a student in the Bagby School of Aviation and Monoplane Building.
"The Trail of the Hawk" by Sinclair Lewis
Yet numbers of pupils have been taught on monoplanes, and this without accident.
"Learning to Fly" by Claude Grahame-White
The ban on monoplanes.
"The War in the Air; Vol. 1" by Walter Raleigh
A complete, tiny copy of one of the latest single-motor, cabin monoplane models.
"The Pygmy Planet" by John Stewart Williamson
Just after the break of day on June 7, 1915, a British monoplane was returning from a scouting trip over Belgium.
"The Story of the Great War, Volume IV (of 8)"
A swarm of monoplanes roared past just beneath them.
"Astounding Stories of Super-Science, August 1930" by Various

In news:

Harriet Quimby in her Blériot monoplane / Library of Congress.
Dax Riggs, Sons of Huns, Monoplane .
The Morane-Borel monoplane was the company's very first aircraft.
The biplane is happier with a large-diameter prop with a lower pitch, and the monoplane will perform better with a smaller-diameter prop of higher pitch.
The Starlet is a single-place semi-acrobatic monoplane of wood, fabric, and tubular steel construction.
Henry Walden designed two unsuccessful airplanes before coming up with a flyable monoplane, the Walden III.