giant beaver

English

Noun

giant beaver (plural giant beavers)

1. Either of two genera of extinct castorid rodents, Castoroides of North America or Trogontherium of Eurasia.
   • 2018, Tim Flannery, Europe: The First 100 Million Years, Penguin, published 2019, page 152:

     Early ice-age Europe was also home to giant beavers of the genus Trogontherium.