Bones of a Dinosaur.



  • In scientific usage, any of the animals belonging to the clade Dinosauria, especially those that existed during the Triassic, Jurassic and Cretaceous periods and are now extinct.
  • In colloquial usage, any member of the clade Dinosauria other than birds.
  • Any extinct reptile, not necessarily belonging to Dinosauria, that existed between about 230 million and 65 million years ago.
  • Something or someone that is very old or old-fashioned, or is not willing to change and adapt.
  • Anything no longer in common use or practice.


Similar words


  • New Latin dīnosaurus, from Ancient Greek δεινός ("terrible, awesome, mighty, fearfully great") + σαῦρος. Coined by paleontologist Richard Owen in 1842.

Modern English dictionary

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