Source : Webster's Revised Unabridged Dictionary (1913)

Fisher \Fish"er\, n. [AS. fiscere.]
   1. One who fishes.

   2. (Zo["o]l.) A carnivorous animal of the Weasel family
      ({Mustela Canadensis}); the pekan; the ``black cat.''

Source : WordNet®

fisher
     n 1: someone whose occupation is catching fish [syn: {fisherman}]
     2: large dark brown North American arboreal carnivorous mammal
        [syn: {pekan}, {fisher cat}, {black cat}, {Martes pennanti}]