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
source: WordNet 3.0
A deal at cards that draws all the tricks.
source: Webster 1913
Any one of numerous species of micelike rodents belonging to Arvicola and allied genera of the subfamily Arvicolinæ. They have a thick head, short ears, and a short hairy tail.