'Dormouse' definitions:

Definition of 'dormouse'

(from WordNet)
noun
Small furry-tailed squirrel-like Old World rodent that becomes torpid in cold weather

Definition of 'Dormouse'

From: GCIDE
  • Dormouse \Dor"mouse\, n.; pl. Dormice. [Perh. fr. F. dormir to sleep (Prov. E. dorm to doze) + E. mouse; or perh. changed fr. F. dormeuse, fem., a sleeper, though not found in the sense of a dormouse.] (Zool.) A small European rodent of the genus Myoxus, of several species. They live in trees and feed on nuts, acorns, etc.; -- so called because they are usually torpid in winter. [1913 Webster]