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noun, verb, -planed, -planing.
noun (U.S.) a flying machine that has one or more planes or wings and is driven by one or more propellers or jet engines or a rocket engine. An airplane is an aircraft heavier than air, supported in flight by the action of the air flowing past or thrusting upward on its fixed wings. Also, (especially British,) aeroplane.
v.i. to fly in an airplane.