airway

airway
/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.
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; AIR1 + WAY]

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Universalium. 2010.

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