noun
: any of various mice that inhabit open fields: as
a. : any mouse of the New World genus Microtus
b. : any mouse of the Old World genus Apodemus
noun
: any of various mice that inhabit open fields: as
a. : any mouse of the New World genus Microtus
b. : any mouse of the Old World genus Apodemus
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012