airway

noun4

1. •
   The trachea.
2. •
   [in the plural] The trachea and bronchial tree.
3. •
   A flight path used by aeroplanes.

   • But British Airways Flight 112 made the trek in under five hours, setting a new record for the fastest subsonic commercial flight across the Atlantic Ocean. — 2020
4. •
   A roadway used for ventilation.