'Iguana' definitions:

Definition of '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'

From: GCIDE
  • Iguana \I*gua"na\, n. [Sp. iguana, from the native name in Haiti. Cf. Guana.] (Zool.) Any species of the genus Iguana, a genus of large American lizards of the family Iguanid[ae]. They are arboreal in their habits, usually green in color, and feed chiefly upon fruits. [1913 Webster]
  • Note: The common iguana (Iguana tuberculata) of the West Indies and South America is sometimes five feet long. Its flesh is highly prized as food. The horned iguana (Iguana cornuta) has a conical horn between the eyes. [1913 Webster]