arytenoid UK /ˌaɹ.ɪˈtiː.nɔɪd/US /ˌæɹ.əˈtiˌnɔɪd/adjective 2noun 2forms 1 adjective2 •Relating to or being an arytenoid cartilage. •Relating to or being an arytenoid muscle. noun2 •Ellipsis of arytenoid cartilage. •Ellipsis of arytenoid muscle. formsarytenoids