orphenadrine

noun
or·​phen·​a·​drine | \ ȯr-ˈfen-ə-drən How to pronounce orphenadrine (audio) , -ˌdrēn How to pronounce orphenadrine (audio) \

Medical Definition of orphenadrine

: a drug used in the form of its citrate C18H23NO·C6H8O7 or hydrochloride C18H23NO·HCl as a muscle relaxant and antispasmodic