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 ]