/air"way'/ , n.
1. an air route equipped with emergency landing fields, beacon lights, radio beams, etc.
2. a passageway by which air passes from the nose or mouth to the air sacs of the lungs.
3. Med. a tubelike device used to maintain adequate, unobstructed respiration, as during general anesthesia.
4. any passage in a mine used for purposes of ventilation; an air course.
5. airways ,
a. the band of frequencies, taken collectively, used by radio broadcasting stations: The news was sent out over the airways immediately.
b. airwaves.
c. airline (def. 1c).
[ 1905-10; AIR 1 + WAY ]