PROSIMIAN Meaning of PROSIMIAN in English [ prəʊ'sɪmɪən ]■ noun Zoology a primate of a suborder (Prosimii) that includes the lemurs, lorises, bushbabies, and tarsiers.OriginC19: from pro- 2 + simian . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004