oropharyngeal UK /ˌɔː.ɹəʊ.fəˈɹɪn.d͡ʒi.əl/US /ˌɔɹ.əˌfɛɹ.ənˈd͡ʒi.əl/adjective 2noun 1forms 1 adjective2 •Of or pertaining to both the mouth and the pharynx. •Of or pertaining to the oropharynx. noun1 •(informal) Ellipsis of oropharyngeal airway (“an adjunct device used to open and secure a patient's airway during emergencies”). formsoropharyngeals