ETYM Spanish iguana, from the native name in Hayti. Related to Guana.
Any species of the genus Iguana, a genus of large American lizards of the family Iguanid. They are arboreal in their habits, usually green in color, and feed chiefly upon fruits.
Large lizard, especially of tropical America.
Any lizard, especially the genus Iguana, of the family Iguanidae, which includes about 700 species and is chiefly confined to the Americas. The common iguana I. iguana of Central and South America is a vegetarian and may reach 2 m/6 ft in length.