dinosaur
- A group of extinct reptiles that lived during the Mesozoic era, characterized by their large size and diverse forms. nounThe museum has a fascinating exhibit of dinosaur fossils.Scientists believe that dinosaurs became extinct about 65 million years ago.
- A person or thing that is considered to be outdated or obsolete, especially in comparison to newer models or ideas. nounThe old computer in the office is a real dinosaur compared to the new models.Some people view traditional media as dinosaurs in the digital age.