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Definition of Upper airway
1. Noun. (anatomy) The part of respiratory tract consisting of nose, oral cavity, pharynx. ¹
2. Noun. (anatomy) The part of respiratory tract consisting of nose, oral cavity, pharynx and epiglottis. ¹
3. Noun. (anatomy) The part of respiratory tract consisting of nose, oral cavity, pharynx and larynx. ¹
¹ Source: wiktionary.com
Medical Definition of Upper airway
1. The portion of the respiratory tract that extends from the nares or mouth to and including the larynx. (05 Mar 2000)