any herbivorous dinosaur of the suborder Ornithopoda whose members usually walked erect on their hind legs.
Origin of ornithopod
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any herbivorous typically bipedal ornithischian dinosaur of the suborder Ornithopoda, including the iguanodon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper
One of the main types of ornithischian dinosaurs, including the hadrosaurs. Ornithopods walked on their hind legs and had three blunt toes on each foot. They lived from the late Triassic Period until the end of the Cretaceous Period.
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