Iguana iguana n 1: large herbivorous tropical American arboreal lizards with a spiny crest along the back; used as human food in Central America and South America [syn: {common iguana}, {iguana}, {Iguana iguana}]
Iguanidae \Iguanidae\ n. A natural family of New World lizards including the common Iguana, {Iguana iguana}. Syn: family {Iguanidae}. [WordNet 1.5]