A weasel found in northern latitudes (Mustela erminea in Eurasia, Alaska, and the Arctic, Mustela haidarum in Haida Gwaii, Mustela richardsonii in the rest of North America); its dark brown fur turns white in winter, apart from the black tip of the tail.
A white field with black spots.
The white fur of this animal, traditionally seen as a symbol of purity and used for judges' robes.
Any of various moths, especially in the family Yponomeutidae
The office of a judge.
In blazon, of the colour ermine (white with black spots).
To clothe with ermine.
The black-footed ferret, Mustela nigripes.
A diligent searcher.
An often domesticated mammal (Mustela putorius furo) rather like a weasel, descended from the polecat and often trained to hunt burrowing animals.
To uncover and bring to light by searching; usually to ferret out.
To hunt game with ferrets.