a quadrumanous mammal, esp. of the family simiadae, having teeth of the same number and form as in man, and possessing neither a tail nor cheek pouches. the name is applied esp. to species of the genus hylobates, and is sometimes used as a general term for all quadrumana. the higher forms, the gorilla, chimpanzee, and ourang, are often called anthropoid apes or man apes.-one who imitates servilely (in allusion to the manners of the ape); a mimic.-a dupe.-to mimic, as an ape imitates human actions; to imitate or follow servilely or irrationally.