orphenadrine

== English == === Pronunciation === IPA(key): /ɔː(ɹ)ˈfɛnədɹɪn/ === Noun === orphenadrine (uncountable) An anticholinergic drug of the ethanolamine antihistamine class, closely related to diphenhydramine, used to treat painful muscle spasm and some aspects of Parkinson's disease.