Definitions for ornithischianˌɔr nəˈθɪs ki ən
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Random House Webster's College Dictionary
or•nith•is•chi•anˌɔr nəˈθɪs ki ən(n.)
any herbivorous dinosaur of the order Ornithischia, in which the pelvic structure resembles that of birds.
Category: Paleontology
Ref: Compare saurischian.
(adj.)belonging or pertaining to the Ornithischia.
Category: Paleontology
Origin of ornithischian:
1900–05; < NL Ornithischi(a) < Gk ischium
Princeton's WordNet
ornithischian, ornithischian dinosaur(noun)
herbivorous dinosaur with a pelvis like that of a bird
Wiktionary
ornithischian(Noun)
Any of a group of dinosaurs, of the order Ornithischia, that have hips characteristic of birds
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