dinosaurus.
dinosaur;
Meaning & usage
any of the animals belonging to the clade Dinosauria, especially those that existed during the Triassic, Jurassic and Cretaceous periods and are now extinct.
any member of the clade Dinosauria other than birds.
Where this word comes from
Modern coinage from Ancient Greek δεινός (deinós, “terrible, awesome, mighty, fearfully great”) + σαῦρος (saûros, “lizard, reptile”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.