The Collaborative International Dictionary of English v.0.48:

Badger \Badg"er\, n. [OE. bageard, prob. fr. badge + -ard, in
   reference to the white mark on its forehead. See Badge,n.]
   1. A carnivorous quadruped of the genus Meles or of an
      allied genus. It is a burrowing animal, with short, thick
      legs, and long claws on the fore feet. One species (Meles
      meles or Meles vulgaris), called also brock, inhabits
      the north of Europe and Asia; another species (Taxidea
      taxus or Taxidea Americana or Taxidea Labradorica)
      inhabits the northern parts of North America. See
      Teledu.
      [1913 Webster]

   2. A brush made of badgers' hair, used by artists.
      [1913 Webster]

   Badger dog. (Zool.) See Dachshund.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Taxidea taxus
    n 1: a variety of badger native to America [syn: American
         badger, Taxidea taxus]