Definition of airway
1
: a passage for a current of air (as in a mine or to the lungs)
2
: a designated route along which airplanes fly from airport to airport
especially
: such a route equipped with navigational aids
3
: airline
4
: a channel of a designated radio frequency for broadcasting or other radio communication
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Merriam-Webster unabridged
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Time Traveler for airway
The first known use of airway was in 1800
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