Hypertext Webster Gateway: "aerofoil"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Aerofoil \A"["e]r*o*foil`\, n. [A["e]ro- + foil.]
A plane or arched surface for sustaining bodies by its
movement through the air; a spread wing, as of a bird.
From WordNet (r) 1.7 (wn)
aerofoil
n : a device that provides reactive force when in motion
relative to the surrounding air; can lift or control a
plane in flight [syn: {airfoil}, {control surface}, {surface}]
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