kolinski

noun
  1. a small carnivorous mammal of the weasel family native to Asia, valued for its fur
  2. Usage: also spelled kolinski; the animal is scientifically known as Mustela sibirica
  3. the fur of the kolinsky, used in making brushes, coats, and other items
  4. Usage: often used in art supplies, particularly high-quality paintbrushes

Examples