The Collaborative International Dictionary of English v.0.48:

anole \anole\ n.
   1. A small arboreal tropical American insectivorous lizard
      (Anolis carolinensis) with the ability to change skin
      color.

   Syn: American chameleon, Anolis carolinensis
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

anole
    n 1: small arboreal tropical American insectivorous lizards with
         the ability to change skin color [syn: American
         chameleon, anole, Anolis carolinensis]