aileron :

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aileron

ay luh ron

  • n  an airfoil that controls lateral motion

  • The interceptor is connected by bars to the aileron of its wing.
  • With its right aileron all the way down, the 15-ton Catalina went into a violent left turn, headed for the sea.
  • Also to each wing is rigged a controllable "flipper," comparable to an aileron.

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