ermine

n. type of weasel; fur or pelt from an ermine

The stoat (Mustela erminea) is a small mammal of the family Mustelidae. It is also known as the short-tailed weasel and the ermine.
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Noun
1. the expensive white fur of the ermine
(hypernym) fur, pelt
2. mustelid of northern hemisphere in its white winter coat
(synonym) shorttail weasel, Mustela erminea
(hypernym) weasel
(hyponym) stoat

n. ermine

(v. t.)
To clothe with, or as with, ermine.
  

(n.)
The fur of the ermine, as prepared for ornamenting garments of royalty, etc., by having the tips of the tails, which are black, arranged at regular intervals throughout the white.
  

(n.)
One of the furs. See Fur (Her.)
  

(n.)
By metonymy, the office or functions of a judge, whose state robe, lined with ermine, is emblematical of purity and honor without stain.
  

(n.)
A valuable fur-bearing animal of the genus Mustela (M. erminea), allied to the weasel; the stoat. It is found in the northern parts of Asia, Europe, and America. In summer it is brown, but in winter it becomes white, except the tip of the tail, which is always black.