AIRWAY

Windpipe, for one

• 747's route

• American or Delta route

• Breathing space

• Jet route

• Liner's route

• Plane's passage

• Respiration aid

• Sky path

• Trachea, e.g.

• Vent

• Ventilation shaft

• Vital anatomical passage

• Windpipe, e.g.

• A duct that provides ventilation as in mines

• A designated route followed by airplanes in flying from one airport to another

• A commercial enterprise that provides scheduled flights for passengers