Dormouse

имя существительное [множественное число] dormice; [зоология] соня

Большой англо-русский словарь

Dormouse

noun (plural dormice) Etymology: Middle English dormowse, perhaps from Anglo-French dormir + Middle English mous mouse any of numerous small Old World rodents (especially family Myoxidae) that are intermediate in form and behavior between mice and squirrels

Энциклопедический словарь Мерриама-Вебстера