Definition of parafoil
: a self-inflating fabric device that resembles a parachute, behaves in flight like an airplane wing, is maneuverable, is capable of landing a payload at slow speed, and can be launched from the ground in a high wind like a kite
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Origin and Etymology of parafoil
para- (as in 1parachute) + -foil (as in airfoil)
First Known Use: 1967
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