SIMIAN Meaning of SIMIAN in English [sim.i.an] adj [L simia ape, fr. simus snub-nosed, fr. Gk simos] (1607): of, relating to, or resembling monkeys or apes [2]simian n (1880): monkey, ape Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012