dinosaur
/ˈdaɪnəsoɹ/ noun A2- Those animals of the clade Dinosauria that existed during the Triassic, Jurassic and Cretaceous periods and are now extinct. · Despite what some cartoons portray, no humans were around when dinosaurs roamed the Earth.
- Any of the animals belonging to the clade Dinosauria, including its sole surviving lineage: Neornithes.
- Any extinct reptile, not necessarily belonging to Dinosauria, that existed between about 230 million and 65 million years ago, as well as the stem-mammal Dimetrodon. · Pterosaurs, plesiosaurs, icthyosaurs — I don't know, they're all dinosaurs to me!
- Someone or something that is very old or old-fashioned, especially someone who is not willing to change and adapt. · She may be a tough old bird, but it's a mistake to write her off as a dinosaur; you do so at your own risk.
- Anything no longer in common use or practice.
Plural dinosaurs
From the library
Tariq walked with his friends and looked at the dinosaur bones.
Tariq said, " We were near the dinosaur hall."
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