Definitions

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

  • proper noun A taxonomic order within the superorder Dinosauria — the beaked, herbivorous dinosaurs.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek ὄρνις (ornis, "bird") + ἰσχίον (iskhion, "hip joint").

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