Definition of "iguanodon" [i•gua•no•don]

• Any of various large dinosaurs of the genus Iguanodon, of the Jurassic Period and Cretaceous Period. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "A long horn projects from the snout, and it is a fac-simile in miniature of the antediluvian monster, the "iguanodon," who was about a hundred feet long and twelve feet thick -- an awkward creature to meet in a narrow road."
• "The past falls open unexpectedly, and its wider accretions and effacements – the lost forest of Andredesleage, the iguanodon bones Gideon Mantell discovered in the Wealden sandstone, the Piltdown Man forgery a century later – loom over the landscape she walks through."
• "And then there was the strong element of The Dad throughout, his footprints as durable as those of the iguanodon in a fossilized coastal swamp bed."