from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A control surface on an aircraft wing functioning both as a flap and as an aileron.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun An
aircraftcontrol surface at the trailing edge of a wing that acts as an aileron(controlling movement around the longitudinal axis) and a flap(changing the chord line of the wing, thus affecting the angle of attack).
from The American Heritage® Dictionary of the English Language, 4th Edition
[flap + (ail)eron.]
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