flaperon
/ˈflæpəˌrɑn/
noun
- A control surface on an aircraft wing that combines the functions of a flap and an aileron, used to help the plane turn and change speed.
- Engineers designed the new flaperon to improve the aircraft's maneuverability.
- The pilot adjusted the flaperon to make a smooth turn during the flight.
- A damaged flaperon can make it difficult to control the plane.