SIMIAN Meaning of SIMIAN in English adj. & n.adj. 1 of or concerning the anthropoid apes. 2 like an ape or monkey (a simian walk). n. an ape or monkey. [ L simia ape, perh. f. L simus f. Gk simos flat-nosed ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012