| n. | 1. | (Paleon.) A genus of large Jurassic dinosaurs remarkable for a powerful dermal armature of plates and spines. |
| Noun | 1. | stegosaurus - herbivorous ornithischian dinosaur with a row of bony plates along its back and a spiked tail probably used as a weapon Synonyms: stegosaur, Stegosaur stenops |
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