Medical Definition of airway
: a passageway for air into or out of the lungs; specifically : a device passed into the trachea by way of the mouth or nose or through an incision to maintain a clear respiratory passageway (as during anesthesia, convulsions, or in obstructive laryngitis)—see upper airway
Seen and Heard
What made you want to look up airway? Please tell us where you read or heard it (including the quote, if possible).