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
Recent Examples on the Web
Just two months ago, a coyote was seen face-to-face with an iguana, the reptile whipping its tail in a desperate attempt to escape before the coyote trotted away carrying it in its mouth.
—
Alyssa Dzikowski, CBS News, 20 Nov. 2025
Ramos said iguanas can carry salmonella in their feces and saliva.
—Cbs News Miami, Miami Herald, 18 Nov. 2025
Customs inspectors found iguanas, pythons, tegus and scorpions.
—Ashley J. Dimella, FOXNews.com, 13 Nov. 2025
Chilly with the chance of falling iguanas Why do iguanas freeze in cold temperatures?
—Julia Gomez, USA Today, 12 Nov. 2025
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Alyssa Dzikowski, CBS News, 20 Nov. 2025
Ramos said iguanas can carry salmonella in their feces and saliva.
—Cbs News Miami, Miami Herald, 18 Nov. 2025
Customs inspectors found iguanas, pythons, tegus and scorpions.
—Ashley J. Dimella, FOXNews.com, 13 Nov. 2025
Chilly with the chance of falling iguanas Why do iguanas freeze in cold temperatures?
—Julia Gomez, USA Today, 12 Nov. 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 12 Dec. 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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