polecat UK /ˈpəʊlkæt/US /ˈpoʊlˌkæt/ noun5 •Any of several long-bodied mammals of the subfamilies Mustelinae and Ictonychinae, both in the weasel family Mustelidae. •Notably, the European polecat, Mustela putorius. •(Appalachia) A skunk. •A base or despicable person; a wretch.‘Bear thyself like a Knight with a sword in hand, or else I shall call thee a base caitiff and polecat.’ — 1936 •A tubular device used to support lights on a set. formspolecats