dinosaur [ di·no·saur ]
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Noun
1. A fossil reptile of the Mesozoic era, in many species reaching an enormous size.
These were the fragmentary remains of an armored dinosaur, an ankylosaur.
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2. A person or thing that is outdated or has become obsolete because of failure to adapt to changing circumstances.
I still get invites but I feel like a dinosaur and a bit of a has-been now.
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Origin
1. Mid 19th century from modern Latin dinosaurus, from Greek deinos ‘terrible’ + sauros ‘lizard’.

