Source : Webster's Revised Unabridged Dictionary (1913)

Chimpanzee \Chim*pan"zee\, n. [From the native name: cf. F.
   chimpanz['e], chimpans['e], chimpanz['e]e.] (Zo["o]l.)
   An african ape ({Anthropithecus troglodytes}

Source : WordNet®

chimpanzee
     n : intelligent somewhat arboreal ape of equatorial African
         forests [syn: {chimp}, {Pan troglodytes}]