Definition of iguanodon
: any of a genus (Iguanodon) of very large herbivorous dinosaurs of the Early Cretaceous
Origin of iguanodon
New Latin Iguanodont-, Iguanodon, from Spanish iguana + Greek odōn tooth, from odont-, odous — more at tooth
First Known Use: 1830
Learn More about iguanodon
Britannica.com: Encyclopedia article about "iguanodon"
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