iguana

noun

igua·​na i-ˈgwä-nə How to pronounce iguana (audio)
: 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

Illustration of iguana

Illustration of iguana

Examples of iguana in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Seaside Nature Park is home to wandering peacocks, ducks, chickens, pigs, iguanas, guinea fowls, and horses. Megan Margulies, Travel + Leisure, 14 June 2026 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 See All Example Sentences for iguana

Word History

Etymology

Spanish, from Arawak & Carib iwana

First Known Use

1555, in the meaning defined above

Time Traveler
The first known use of iguana was in 1555

Browse Nearby Words

Cite this Entry

“Iguana.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iguana. Accessed 24 Jun. 2026.

Kids Definition

iguana

noun
igua·​na i-ˈgwän-ə How to pronounce iguana (audio)
: 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

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