: any of various large chiefly herbivorous usually green or brownish tropical American lizards (family Iguanidae, the iguana family) that have a serrated dorsal crest and large dewlap
broadly: any of various large lizards
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The sweet spot is curious grade-schoolers, tweens, and teens—the kind of kids who will come home knowing the difference between a marine iguana and a land iguana, and why that matters.—Ashlea Halpern, Condé Nast Traveler, 11 June 2026 According to Wilkins, a single female iguana can lay up to 70 eggs, contributing to rapid population growth.—Joan Murray, CBS News, 9 June 2026 Michele Holtfreter planted fresh pentas in her yard this spring — only to find an iguana was tearing into her blossoms.—Ruth Abramovitz, Sun Sentinel, 6 June 2026 Another woman asked Graciela about her famous picture of the lady of the iguanas.—Literary Hub, 29 May 2026 See All Example Sentences for iguana
: any of various large plant-eating tropical American lizards that have a ridge of tall scales along the middle of the back and loose skin hanging below the neck