dinosaur

/ˈdaɪnəsɔːr/
noun
  1. A large extinct reptile that lived millions of years ago.
    • Scientists study dinosaur bones to learn about ancient life.
    • Many dinosaurs were herbivores, eating only plants.
    • The T. rex is one of the most famous dinosaurs.
  2. A person or thing that is old-fashioned or outdated.
    • That old computer is a dinosaur; it can't run modern software.
    • Some people think traditional newspapers are dinosaurs in the digital age.
    • My dad calls himself a dinosaur when it comes to new technology.