Mustela vison

from WordNet (r) 3.0 (2006)

Mustela vison
    n 1: usually rich dark brown [syn: {American mink}, {Mustela
         vison}]

from The Collaborative International Dictionary of English v.0.48

Mink \Mink\ (m[i^][ng]k), n. [Cf. 2d {Minx}.]
   1. (Zool.) A carnivorous mammal of the genus {Mustela}
      (foremrly {Putorius}), allied to the weasel. The European
      mink is {Mustela lutreola}. The common American mink
      ({Mustela vison}) varies from yellowish brown to black.
      Its fur is highly valued. Called also {minx}, {nurik}, and
      {vison}.
      [1913 Webster +PJC]

   2. The fur of the mink[1]. Together with sable, it is one of
      the most expensive furs not taken from endangerd species.
      When the fur is taken from animals grown on a farm, it
      called {ranch mink}.
      [PJC]