dinosaur
/ˈdɑɪ·nəˌsɔr/ n [C]Definition
› a reptile (= cold-blooded animal), some types of which were extremely large, that stopped existing a very long time ago › A dinosaur is also something that is old and that has not been able to change when conditions have changed and is therefore no longer useful: The old car was a gas-guzzling dinosaur and we had to get rid of it.
(Definition of dinosaur n from the Cambridge Academic Content Dictionary
© Cambridge University Press)
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