I*gua"na (?), n. [Sp. iguana, from the native name in Hayti. Cf. Guana.] Zool.
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.
⇒ The common iguana (I. tuberculata) of the West Indies and South America is sometimes five feet long. Its flesh is highly prized as food. The horned iguana (I. cornuta) has a conical horn between the eyes.
© Webster 1913.