(n) a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight, Syn. aerofoil, control surface, surface
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
n. 1.1 a surface such as the wing of an airplane designed to provide reactive force when in motion relative to the surrounding air. Syn. -- aerofoil [ WordNet 1.5 ]