biplane

[ bahy-pleyn ]

/ ˈbaɪˌpleɪn /

an airplane with two sets of wings, one above and usually slightly forward of the other.

Origin of biplane

First recorded in 1870–75; bi-¹ + (air)plane

Doyle makes routine flights over the 1,700-acre compound in his biplane.

Warren Jeffs' Flock in Denial |Carol McKinley |August 5, 2011 |DAILY BEAST
It was early in the morning when the German biplane appeared over the American airdromes moving slowly.

New York Times Current History: The European War, Vol. 8, Pt. 2, No. 1, July 1918 |Various
"Perhaps, but there is no use of straining the biplane, or the engine either," returned Dick.

The Rover Boys in the Air |Edward Stratemeyer
On December 17, 1903, the first Wright biplane was ready to navigate the air and made four brief successful flights.

The Age of Invention |Holland Thompson

On and on flew the Dartaway, Dick managing the biplane as skillfully as if he was a seasoned aviator.

The Rover Boys in the Air |Edward Stratemeyer
From a height of 200 feet the biplane plunged into the surf where the water was only two feet deep.

The Boy's Book of New Inventions |Harry E. Maule

biplane

/ (ˈbaɪˌpleɪn) /

a type of aeroplane having two sets of wings, one above the other Compare monoplane