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Any of various herbivorous dinosaurs of the order Ornithischia, having a pubic bone that points down and backward like that of modern birds, usually a horny beak or bill, and including the hadrosaurs and stegosaurs.
[From New Latin Ornīthischia, order name : ornith(o)- + Greek iskhion, hip joint.]
(Palaeontology) of, relating to, or belonging to the Ornithischia, an order of dinosaurs that included the ornithopods, stegosaurs, ankylosaurs, and triceratops
(Palaeontology) any dinosaur of the order Ornithischia; a bird-hipped dinosaur
[C20: from ornitho- + Greek ischion hip joint]
or•nith•is•chi•an(ˌɔr nəˈθɪs ki ən)
1. any herbivorous dinosaur of the order Ornithischia, in which the pelvic structure resembles that of birds. Compare saurischian.adj.
2. belonging or pertaining to the Ornithischia.
[1900–05; < New Latin Ornithischi(a) < Greek ischium]
One of the two main types of dinosaurs. Ornithischians have a pelvis similar to that of modern birds, and include all the plant-eating dinosaurs except the sauropods. They include armor-plated, horned, and duck-billed varieties. Compare saurischian.
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|Noun||1.||ornithischian - herbivorous dinosaur with a pelvis like that of a bird|
dinosaur - any of numerous extinct terrestrial reptiles of the Mesozoic era
order Ornithischia, Ornithischia - extinct terrestrial reptiles having bird-like pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)
armored dinosaur - dinosaurs having bony armour
bone-headed dinosaur - bipedal herbivorous dinosaurs with bony crowns
ceratopsian, horned dinosaur - any of several four-footed herbivorous dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia