The Collaborative International Dictionary of English v.0.48:
Primates \Pri*ma"tes\, n. pl. [NL.] (Zool.) The highest order of mammals. It includes man, together with the apes and monkeys. Cf. Pitheci. [1913 Webster]WordNet (r) 3.0 (2006):
Primates n 1: an animal order including lemurs and tarsiers and monkeys and apes and human beings [syn: Primates, order Primates]