Definition of: iguana

(i·gwä′nə) noun
1. An edible, tropical American lizard (family Iguanidae); especially Iguana iguana, which sometimes attains a length of 6 feet: it is partly arboreal, partly herbivorous, and, unless attacked, is harmless.
2. Any one of several lizards related to the iguana. [<Sp. <Cariban]
COMMON IGUANA
Grass–green in color with black and white markings; the dewlap and spiny crest are characteristic of the true iguana.