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1. A duct that provides ventilation (as in mines)
   - air passage, air duct
    
2. A designated route followed by airplanes in flying from one airport to another
   - air lane, flight path, skyway
    
3. The passages through which air enters and leaves the body
   - respiratory tract
    
4. A commercial enterprise that provides scheduled flights for passengers
   - airline, airline business

Derived forms: airways

Type of: duct, itinerary, line, path, route, tract

Part of: respiratory system, systema respiratorium

Encyclopedia: Airway