Aileron

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Aileron \Ai"le*ron\ ([=a]"l[-e]*r[o^]n), n. [F., dim. of aile
     wing.]
     1. A half gable, as at the end of a penthouse or of the aisle
        of a church.
        [Webster 1913 Suppl.]
  


     2. (A["e]ronautics) A small plane or surface capable of being
        manipulated by the pilot of a flying machine to control
        lateral balance; a hinged wing tip; a lateral stabilizing
        or balancing plane.
        [Webster 1913 Suppl.]

From WordNet (r) 2.0 [wn]:

  aileron
       n : an airfoil that controls lateral motion