TURPETH Meaning of TURPETH in English n. (in full turpeth root) the root of an E. Indian plant, Ipomoea turpethum, used as a cathartic. [ ME f. med.L turbit(h)um f. Arab. & pers. turbid ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012