polecat
/ˈpəʊlkæt/noun
1- a weasel-like Eurasian mammal with mainly dark brown fur and a darker mask across the eyes, noted for its fetid smell鸡貂, 臭鼬。
1.1
- Genus Mustela, family Mustelidae: three species, in particular the European polecat (M. putorius), which is the probable ancestor of the domestic ferret鼬属, 鼬科：3种, 尤指欧洲林鼬 （拉丁名M. putorius）, 极有可能是家养雪貂的祖先。
词源
Middle English: perhaps from Old French pole 'chicken' + CAT1.