A quadrumanous mammal, esp. of the family Simiadæ, 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.
- Any of various large, tailless Old World primates of the family Pongidae, including the chimpanzee, gorilla, gibbon, and orangutan.
- A monkey.
- A mimic or imitator.
- Informal A clumsy or boorish person.
- To mimic slavishly but often with an absurd result. See Synonyms at imitate.
- go ape Informal To become wildly excited or enthusiastic: went ape at the party; goes ape over Thai cuisine.