Source : Webster's Revised Unabridged Dictionary (1913)

Dipper \Dip"per\, n.
   1. One who, or that which, dips; especially, a vessel used to
      dip water or other liquid; a ladle.

   2. (Zo["o]l.)
      (a) A small grebe; the dabchick.
      (b) The buffel duck.
      (c) The water ouzel ({Cinolus aquaticus}) of Europe.
      (d) The American dipper or ouzel ({Cinclus Mexicanus}).

   {The Dipper} (Astron.), the seven principal stars in the
      constellation of the Great Bear; popularly so called from
      their arrangement in the form of a dipper; -- called also
      {Charles's Wain}. See {Ursa Major}, under {Ursa}.

Source : WordNet®

Cinclus mexicanus
     n : a water ouzel of western North America [syn: {American water
         ouzel}]