- carried by the air, as pollen or dust.
- in flight; aloft: The plane was airborne by six o’clock.
- Military. (of ground forces) carried in airplanes or gliders: airborne infantry.
- Aeronautics. (of an aircraft) supported entirely by the atmosphere; flying.
- conveyed by or through the air
- (of aircraft) flying; in the air
1640s, “carried through the air,” from air (n.1) + borne. Of military units, from 1937.