'Iguana iguana' definitions:

Definition of 'Iguana iguana'

(from WordNet)
noun
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]

Definition of 'Iguana iguana'

From: GCIDE
  • Iguanidae \Iguanidae\ n. A natural family of New World lizards including the common Iguana, Iguana iguana.
  • Syn: family Iguanidae. [WordNet 1.5]