polecat

(noun) American musteline mammal typically ejecting an intensely malodorous fluid when startled; in some classifications put in a separate subfamily Mephitinae. Synonyms: skunk, wood pussy.

(noun) dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened. Synonyms: fitch, foulmart, foumart, Mustela putorius.