Illustration of iguana
: 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
Examples of iguana in a Sentence
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Like chickens, captive iguanas are known to carry salmonella bacteria in their gut, which can spread via feces to their skin.
—
Bill Kearney, Sun Sentinel, 6 June 2025
Although the iguanas and frogs are not rare species, freshwater crocodiles from Thailand are not only rare, but critically endangered.
—Irene Wright, Miami Herald, 7 Apr. 2025
Clear tours to see the diverse wildlife, including rock iguanas, giant tortoises, lemurs, and cockatoos.
—AFAR Media, 23 May 2025
Back at headquarters, meet adopted and rescued reptiles such as turtles, iguanas and a 1,000-pound gator named Cannibal, and pet a baby alligator.
—Kari Barnett, Sun Sentinel, 13 May 2025
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Bill Kearney, Sun Sentinel, 6 June 2025
Although the iguanas and frogs are not rare species, freshwater crocodiles from Thailand are not only rare, but critically endangered.
—Irene Wright, Miami Herald, 7 Apr. 2025
Clear tours to see the diverse wildlife, including rock iguanas, giant tortoises, lemurs, and cockatoos.
—AFAR Media, 23 May 2025
Back at headquarters, meet adopted and rescued reptiles such as turtles, iguanas and a 1,000-pound gator named Cannibal, and pet a baby alligator.
—Kari Barnett, Sun Sentinel, 13 May 2025
See All Example Sentences for iguana
Cite this Entry
“Iguana.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iguana. Accessed 10 Jun. 2025.
Copy CitationKids Definition
iguana
noun
igua·na
i-ˈgwän-ə 
: 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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