igua·na | \i-ˈgwä-nə \

Definition 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

Illustration of iguana

Illustration of iguana

Examples of iguana in a Sentence

Recent Examples on the Web

Some even accept more exotic animals, such as parakeets or iguanas. Laurie Wilson, BostonGlobe.com, "These hotels are the cat’s meow," 25 Apr. 2018 Florida is known for making headlines — alligators end up in swimming pools, iguanas come out of toilets and people are always in the news for outrageous crimes. Ellie Rushing, Sun-Sentinel.com, "Florida towns' claims to fame: We're No. 1," 3 July 2018 Researchers in one county in Florida have been granted permission to smash the skulls of iguanas, in order to reduce the rampant reptile population. Josh Hafner, USA TODAY, "Bashing iguana heads: Researchers smash reptiles to death to fight Florida invasion," 13 Mar. 2018 Green iguanas are an invasive species in Florida known for eating through landscaping and digging burrows that undermine infrastructure. CBS News, "Researchers taking controversial approach to rid Florida of invasive iguanas," 12 Mar. 2018 The video shows two large iguanas going toe-to-toe in the parking lot. Chris Stirewalt, Fox News, "A good offense may be best defense for House GOP," 25 June 2018 Ah, Puerto Rico! Land of rum and iguanas, palm trees and paddleboard yoga. Tamar Adler, Vogue, "The Young Farmers Behind Puerto Rico’s Food Revolution," 20 June 2018 More: In Florida, iguanas are freezing and falling out of trees More: These animals are most likely to kill Americans. Josh Hafner, USA TODAY, "Bashing iguana heads: Researchers smash reptiles to death to fight Florida invasion," 13 Mar. 2018 Now, in addition to learning about sharks, dolphins, sea turtles, stingrays, jellyfish and more, a trip through the Caribbean Journey showcases flamingos, tropical birds, two sloths, a green iguana and a variety of sea creatures. San Antonio Express-News, "Your best bets for attractions all around Texas," 12 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'iguana.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of iguana

1555, in the meaning defined above

History and Etymology for iguana

Spanish, from Arawak & Carib iwana

Keep scrolling for more

Learn More about iguana

Dictionary Entries near iguana








Statistics for iguana

Last Updated

11 Oct 2018

Look-up Popularity

Time Traveler for iguana

The first known use of iguana was in 1555

See more words from the same year

Keep scrolling for more

More Definitions for iguana



English Language Learners Definition of iguana

: a large lizard that lives in the tropical regions of Central and South America


igua·na | \i-ˈgwä-nə \

Kids Definition of iguana

: a large tropical American lizard with a ridge of tall scales along its back

Keep scrolling for more

Comments on iguana

What made you want to look up iguana? Please tell us where you read or heard it (including the quote, if possible).


one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!