'Castoroides' definitions:
Definition of 'Castoroides'
From: WordNet
noun
Extinct beavers of the Pleistocene; of eastern and southern United States [syn: Castoroides, genus Castoroides]
Definition of 'Castoroides'
From: GCIDE
- Castoroides \Castoroides\ n. a genus of extinct beavers of the Pleistocene; of eastern and southern U.S.
- Syn: genus Castoroides. [WordNet 1.5]