polecat in WordNet English dictionary

1. dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened
   polecat  fitch  foulmart  foumart  Mustela putorius 
   
2. American musteline mammal typically ejecting an intensely malodorous fluid when startled; in some classifications put in a separate subfamily Mephitinae
   skunk  polecat  wood pussy