giant beaver

noun

noun

Either of two genera of extinct castorid rodents, Castoroides of North America or Trogontherium of Eurasia.

Early ice-age Europe was also home to giant beavers of the genus Trogontherium.2018, Tim Flannery, Europe: The First 100 Million Years, Penguin, published 2019, page 152:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.