WordReference Random House Unabridged Dictionary of American English © 2026
control′ sur′face,
- Aeronauticsany movable airfoil, as a rudder, flap, or aileron, for guiding or controlling an aircraft or missile in flight.
- 1915–20
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'control surface' also found in these entries (note: many are not synonyms or translations):
elevator
- rudder
- elevon
- flaperon
- Frise aileron
- ruddevator
- tab
- trim tab
- servocontrol
- slat
