Etymology: From (deinosauros) < (deinos) "terrible, stiff, masterly, skilful" + (saura) "lizard".
- Any of various extinct reptiles belonging to the Dinosauria, existing between about 230 million and 65 million years ago.
- (context, figuratively, colloquial) A person or organisation which is very old or has very old-fashioned views or is not willing to change and adapt.
- (context, figuratively, colloquial) Anything that is no longer in common use or practice.
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Full Definition of dinosaur