from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A large herbivorous ornithiscian dinosaur of the genus Iguanodon of the Cretaceous Period, having a long broad snout with a horny beak, numerous small teeth, and a spike on each thumb.

from The Century Dictionary.

  • noun The typical genus of the fossil family Iguanodontidæ: so called from the resemblance of the teeth to those of Iguana.
  • noun [lowercase] A species or a specimen of the genus Iguanodon or family Iguanodontidæ.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Paleon.) A genus of gigantic herbivorous dinosaurs having a birdlike pelvis and large hind legs with three-toed feet capable of supporting the entire body. Its teeth resemble those of the iguana, whence its name. Several species are known, mostly from the Wealden of England and Europe. See Illustration in Appendix.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any of several large dinosaurs, of the genus Iguanodon, of the Jurassic and Cretaceous periods

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun massive herbivorous bipedal dinosaur with a long heavy tail; common in Europe and northern Africa; early Cretaceous period


from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin Iguanodōn, genus name : iguana + –odon.]



Log in or sign up to get involved in the conversation. It's quick and easy.