field mouse

Noun field mouse has 2 senses

• field mouse(n = noun.animal) vole - any of various small mouselike rodents of the family Cricetidae (especially of genus Microtus) having a stout short-tailed body and inconspicuous ears and inhabiting fields or meadows;
has particulars: grasshopper mouse, pine mouse, pine vole, pitymys pinetorum, meadow mouse, meadow vole, microtus pennsylvaticus, microtus richardsoni, richardson vole, water vole, microtus ochrogaster, prairie vole, arvicola amphibius, water rat, water vole, red-backed mouse, redback vole, phenacomys
is a kind of wood-rat, wood rat

• field mouse(n = noun.animal) fieldmouse - any nocturnal Old World mouse of the genus Apodemus inhabiting woods and fields and gardens;
is a kind of mouse
is a member of apodemus, genus apodemus
has particulars: apodemus sylvaticus, european wood mouse