World English Dictionary
iguana (ɪˈɡwɑːnə)
1.  either of two large tropical American arboreal herbivorous lizards of the genus Iguana, esp I. iguana (common iguana), having a greyish-green body with a row of spines along the back: family Iguanidae
2.  Also called: iguanid any other lizard of the tropical American family Iguanidae
3.  another name for leguaan
[C16: from Spanish, from Arawak iwana]
n, —adj

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