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1. Any of various tailless Old World primates of the superfamily Hominoidea, including the gibbons, orangutans, gorillas, chimpanzees, and humans.
2. Any of various members of this superfamily bearing fur and usually living in the wild, especially orangutans, gorillas, and chimpanzees, in contrast to humans. Not in scientific use.
3. A tailed primate such as a monkey. Not in scientific use.
4. A mimic or imitator.
5. Informal A clumsy or boorish person.
tr.v. aped, ap·ing, apes
To imitate or mimic, especially in a thoughtless or inept way. See Synonyms at imitate.
go ape Informal
To become wildly excited or angry: went ape at the party; went ape when she saw the parking ticket.

[Middle English, from Old English apa.]

ap′er n.
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The act, practice, or art of copying the manner or expression of another:
References in periodicals archive ?
The fascinating article "Aping the Stone Age" (SN: 11/21/09, p.
APING THE MASTER: Getting to grips with the ape walk; TRUNK CALL: Knuckling down to tree-hugging; LEAF IT TO ME: Learning how to pick up and sniff; ANIMAL MAGIC: Terry taught Helena (left) how to be the perfect chimpanzee; PRI-MATES: Cheetah and Terry (right)
In this article, we describe our comparative histologic study of the mucosa of the anterior portion of the septum (APS) and the anterior portion of the inferior concha (APING) with light and scanning electron microscopy.