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| or·nith·is·chi·an [ àwrnə thískee ən ] |
adjective |
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| Definition: |
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relating to order of dinosaurs: relating or belonging to an order of dinosaurs that had a backward-rotating pelvis similar to that of birds. The order includes the triceratops and stegosaur. Order Ornithischia.
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noun (plural or·nith·is·chi·ans) |
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| Definition: |
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dinosaur: an ornithischian dinosaur, e.g. an ankylosaur
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| [Early 20th century. < modern Latin Ornithischia< Greek ornith- "bird" + iskhion "hip joint"] |
