dinotherium

noun

1. any elephantlike mammal of the extinct genus Dinotherium, from the later Tertiary Period of Europe and Asia, having large, outwardly curving tusks.

noun

1. any extinct late Tertiary elephant-like mammal of the genus Dinotherium (or Deinotherium), having a down-turned jaw with tusks curving downwards and backwards

1. Any of various extinct elephantlike mammals of the genus Dinotherium that existed during the Miocene, Pliocene, and Pleistocene Epochs. Characteristic of the dinotherium were tusks that grew downward from its lower jaw.