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| steg·o·saur [ stéggə sàwr ] (plural steg·o·saurs) or steg·o·sau·rus [ stèggə sáwrəss ] (plural steg·o·sau·rus·es) |
noun |
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| Definition: |
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dinosaur with bony plates and spikes: a plant-eating dinosaur that lived in the Jurassic and Early Cretaceous periods and had tough bony dorsal plates and spikes. Genus Stegosauria.
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| [Early 20th century. < modern Latin Stegosaurus< Greek stegos "plate" + sauros "lizard"] |
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