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
Most Popular Most Popular These big predator lizards eat iguanas, toads and more.
—
Thomas Swick, Sun Sentinel, 6 May 2025
More: Hundreds of reptiles seized by Australian authorities in 'cold-blooded' trafficking scheme
Why are the iguanas in San Diego?
—Jeanine Santucci, USA Today, 24 Apr. 2025
In this investigative report, Patrick Symmes follows the money, the mahogany, and the mafias—and goes underground to join a brave ne
Patrick Symmes
Published: Oct 1, 2002
South America
Latin America Times Two
Marine iguanas?
—Olivia James, Outside Online, 24 Apr. 2025
Fijian iguanas are found on 10% of Fiji’s around 330 islands and most populations are threatened.
—Clara Harter, Los Angeles Times, 24 Apr. 2025
See All Example Sentences for iguana
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.
Thomas Swick, Sun Sentinel, 6 May 2025
More: Hundreds of reptiles seized by Australian authorities in 'cold-blooded' trafficking scheme
Why are the iguanas in San Diego?
—Jeanine Santucci, USA Today, 24 Apr. 2025
In this investigative report, Patrick Symmes follows the money, the mahogany, and the mafias—and goes underground to join a brave ne
Patrick Symmes
Published: Oct 1, 2002
South America
Latin America Times Two
Marine iguanas?
—Olivia James, Outside Online, 24 Apr. 2025
Fijian iguanas are found on 10% of Fiji’s around 330 islands and most populations are threatened.
—Clara Harter, Los Angeles Times, 24 Apr. 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 17 May. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share