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ornithischian
ornithischian definition
or·nith·is·chian (ôr′nə t̸his′kē ən)
noun
any of an order (Ornithischia) of plant-eating dinosaurs with a birdlike pelvic structure, including the stegosaurus and triceratops
adjective
of the ornithischians
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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