Either of two small, semiaquatic, carnivorous mammals resembling stoats, Mustela vison (family Mustelidae), native to North America and widely…

The American mink.

A mink belonging to a mutated form distinguished by silvery fur; also, the fur of an animal of this kind. Also attributive.

a mink of a mutant strain having a fur colour different from normal; the fur of such a mink, or a garment made from this.

Designating a (genotype of) mink with a gunmetal-grey coat.

A sapphire mink (see sense 3b).

used to designate certain animals (see quots.). sapphire mink n. a variety of mink with blue fur (see also sense 2b); also, the fur of this animal.