What does aileron mean?

aileron meaning in General Dictionary

A half gable as at the end of a penthouse or of aisle of a church

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  • an airfoil that manages lateral motion

aileron meaning in Etymology Dictionary

1909, from French aileron, altered (by impact of aile "wing"), from French aleron "little wing," diminutive of Old French ele "wing" (12c.), from Latin ala "wing" (see aisle).