- air shaft (sense )
- a specific route for air traffic, provided with navigational aids; air lane
- a respiratory passageway
- a device used to bring air to the lungs during anesthesia
- a. A passageway or shaft in which air circulates, as in ventilating a mine.b. The upper passages of the respiratory system by which air reaches the lungs.
- a. often airways An airline.b. A regular route of travel for aircraft.