Definition of elevon in English:

elevon

noun

Aeronautics
  • The movable part of the trailing edge of a delta wing.

    • ‘The F - 117A has four elevons on the inboard and outboard trailing edge of the wing.’
    • ‘A large elevon is clearly visible at the mid-section of each trailing edge.’
    • ‘At 13.5 seconds after release and at an altitude of approximately 22,000 ft., structural overload of the starboard elevon occurred.’
    • ‘In supersonic flight, moving the elevons alone doesn't provide enough control; in those conditions, Melvill said, ‘you can no longer move the stick, it's like it's welded to the airplane.’’
    • ‘The actuators move the vehicle's rudder, speed brake, elevons and main engines during flight.’

Origin

1940s blend of elevator and aileron (because the elevon combines the functions of both).

Pronunciation

elevon

/ˈɛlɪvɒn/