Noun | 1. | ![]() mammal genus - a genus of mammals family Mustelidae, Mustelidae - weasels; polecats; ferrets; minks; fishers; otters; badgers; skunks; wolverines; martens weasel - small carnivorous mammal with short legs and elongated body and neck mink - slender-bodied semiaquatic mammal having partially webbed feet; valued for its fur fitch, foulmart, foumart, Mustela putorius, polecat - dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened black-footed ferret, ferret, Mustela nigripes - musteline mammal of prairie regions of United States; nearly extinct |