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
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Of the 5,195 iguanas collected, 3,882 of them were amassed at the FWC's office in Sunrise, about 13 miles west of Fort Lauderdale, the FWC said. Peter Burke, FOXNews.com, 8 Feb. 2026 The iguana meat was later fried in a pan. Michelle Del Rey, USA Today, 6 Feb. 2026 Once upon a time, rock iguanas, which can live up to 70 years old, thrived across the 40-island archipelago in the Atlantic Ocean. Madeline Weinfield, Travel + Leisure, 5 Feb. 2026 All told, the five sites collected 5,195 dead or cold-stunned iguanas. Bill Kearney, Sun Sentinel, 5 Feb. 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 11 Feb. 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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