|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]|
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