1. [n]  any of various primates with short tails or no tail at all
2. [n]  person who resembles a non-human primate
3. [n]  someone who copies the words or behavior of another
4. [v]  represent in or produce a caricature of; "The drawing caricatured the President"
5. [v]  imitate uncritically and in every aspect; "Her little brother apes her behavior"

APE is a 3 letter word that starts with A.

1. \Ape\ ([=a]p), n. [AS. apa; akin to D. aap, OHG. affo, G.
   affe, Icel. api, Sw. apa, Dan. abe, W. epa.]
   1. (Zo["o]l.) A quadrumanous mammal, esp. of the family
      {Simiad[ae]}, 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}.
   Note: The ape of the Old Testament was probably the rhesus
         monkey of India, and allied forms.
   2. One who imitates servilely (in allusion to the manners of
      the ape); a mimic. --Byron.
   3. A dupe. [Obs.] --Chaucer.
   

2. \Ape\, v. t. [imp. & p. p. {Aped}; p. pr. & vb. n. {Aping}.]
   To mimic, as an ape imitates human actions; to imitate or
   follow servilely or irrationally. ``How he apes his sire.''
   --Addison.
         The people of England will not ape the fashions they
         have never tried.                        --Burke.
   

1. A lossless audio compression algorithm from monkeysaudio.

2. A graphics package from the Ohio Supercomputer Centre.

an animal of the monkey tribe (1 Kings 10:22; 2 Chr. 9:21). It was brought from India by the fleets of Solomon and Hiram, and was called by the Hebrews _koph_, and by the Greeks _kepos_, both words being just the Indian Tamil name of the monkey, kapi, i.e., swift, nimble, active. No species of ape has ever been found in Palestine or the adjacent regions.