Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • proper noun A taxonomic superorder within the division Archosauria — the dinosaurs.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek δεινός (deinos, "terrible, horrible, fearful, astounding") + σαῦρος (sauros, "lizard").

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