iguan·​odon | \ i-ˈgwä-nə-ˌdän How to pronounce iguanodon (audio) \

Definition of iguanodon

: any of a genus (Iguanodon) of very large herbivorous dinosaurs of the Early Cretaceous

Examples of iguanodon in a Sentence

Recent Examples on the Web However, there is evidence that tyrannosaurids, like the T-Rex, suffered from gout and that iguanodons may have had osteoarthritis. Katie Hunt, CNN, "A rare disease among children is discovered in a 66-million-year-old dinosaur tumor," 13 Feb. 2020 Fostoria was an herbivore that stood on its hind legs and belonged to the same group of dinosaurs as iguanodons. Ashley Strickland, CNN, "Dinosaur bones shimmering with opal reveal a new species," 4 June 2019

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

First Known Use of iguanodon

1830, in the meaning defined above

History and Etymology for iguanodon

New Latin Iguanodont-, Iguanodon, from Spanish iguana + Greek odōn tooth, from odont-, odous — more at tooth

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The first known use of iguanodon was in 1830

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Last Updated

26 Apr 2020

Cite this Entry

“Iguanodon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iguanodon. Accessed 5 Jun. 2020.

More from Merriam-Webster on iguanodon

Britannica.com: Encyclopedia article about iguanodon

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