- a semiaquatic weasellike animal of the genus Mustela, especially the North American M. vison.
- the fur of this animal, brownish in the natural state and having lustrous outside hairs and a thick, soft undercoat.
- a coat, stole, etc., made of this fur.
- any of several semiaquatic musteline mammals of the genus Mustela, of Europe, Asia, and North America, having slightly webbed feet
- the highly valued fur of these animals, esp that of the American mink (M. vison)
- a garment made of this, esp a woman's coat or stole
