Polecat/ˈpəʊlkæt/ Definition 1 of 3Pro Tip 1/3Odor Defense Polecats are known for their natural defense mechanism, emitting a foul odor. Hikers in Europe sometimes encounter the defensive smell of a polecat. Pro Tip 2/3Species Variation The term 'polecat' can refer to various species, but commonly the European one. He could differentiate between a weasel and a polecat. Pro Tip 3/3Habitat Reference When using 'polecat', mention their European habitat for clear context. She photographed a polecat near its burrow in the European woods.