Definition of iguanodon in English:

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Pronunciation: /ɪˈɡwɑːnədɒn/


A large partly bipedal herbivorous dinosaur of the early to mid Cretaceous period, with a broad stiff tail and the thumb developed into a spike.
  • Genus Iguanodon, infraorder Ornithopoda, order Ornithischia.
Example sentences
  • Aladar the iguanodon, the Tarzan of the dinosaur world, is raised by lemurs.
  • While still but a lowly egg, a baby iguanodon becomes permanently separated from his momma during a vicious carnosaur attack.
  • Still more shadowy were the sinister crocodilian outlines - alligators and other horrible reptiles, culminating in the colossal lizard, the iguanodon.


Modern Latin, from iguana + Greek odous, odont- 'tooth' (because its teeth resemble those of the iguana).

For editors and proofreaders

Line breaks: iguano|don

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