n. [ Aëro- + foil. ] A plane or arched surface for sustaining bodies by its movement through the air; a spread wing, as of a bird. [ Webster 1913 Suppl. ]
(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.0.53Collaborative International Dictionary (GCIDE)
n. [ Aëro- + foil. ] A plane or arched surface for sustaining bodies by its movement through the air; a spread wing, as of a bird. [ Webster 1913 Suppl. ]