1. a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight; [syn: airfoil, aerofoil, control surface, surface]
WordNet (r) 3.0 (2006):
control surface
n 1: a device that provides reactive force when in motion
relative to the surrounding air; can lift or control a
plane in flight [syn: airfoil, aerofoil, control
surface, surface]