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
According to the reptile specialist, the iguanas have long, thin tails that can stretch to almost three times the length of their bodies.
—
Saleen Martin, USA Today, 10 Sep. 2025
The Eastern casquehead iguana species is from Mexico and Central America.
—Angel Saunders, PEOPLE, 10 Sep. 2025
Several animals — including iguanas, a bearded dragon, a turtle and two dogs — were also found uncared for, some appearing close to death from malnourishment, in the basement, authorities said.
—Tess Kenny, Chicago Tribune, 29 Aug. 2025
During a stay, visitors are welcome to get acquainted with the resident iguanas and paddle along the shoreline in search of colorful reef fish, all while enjoying palatial accommodations and fine dining along the way.
—Jared Ranahan, Forbes.com, 24 Aug. 2025
See All Example Sentences for iguana
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Saleen Martin, USA Today, 10 Sep. 2025
The Eastern casquehead iguana species is from Mexico and Central America.
—Angel Saunders, PEOPLE, 10 Sep. 2025
Several animals — including iguanas, a bearded dragon, a turtle and two dogs — were also found uncared for, some appearing close to death from malnourishment, in the basement, authorities said.
—Tess Kenny, Chicago Tribune, 29 Aug. 2025
During a stay, visitors are welcome to get acquainted with the resident iguanas and paddle along the shoreline in search of colorful reef fish, all while enjoying palatial accommodations and fine dining along the way.
—Jared Ranahan, Forbes.com, 24 Aug. 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 14 Sep. 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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