Iguana n. : Any species of the genus Iguana, a genus of large American lizards of the family Iguanidae. They are arboreal in their habits, usually green in color, and feed chiefly upon fruits.

Example:
Can an Iguana and a bearded dragon get along if they are to free roam together?

Taxonomy
Iguana, species, scales, genus Iguana, free encyclopedia, eye, Green Iguana, Kingdom, Phylum, Iguana iguana, family Iguanidae, colors, distances, subtympanic, shield, members of the family, lesser Antillean iguana, lizard family.

Defination from the web:
Iguana possess a dewlap, a row of spines running down their back to their tail, and a third "eye" on their head. ... Coles, William (2002), "Green Iguana", U.S.V.I. Animal Fact Sheet #08 (Department of Planning and Natural Resources US ...