The Collaborative International Dictionary of English v.0.48:

Eskimo \Es"ki*mo\, n.; pl. Eskimos. [Originally applied by the
   Algonquins to the Northern Indians, and meaning eaters of raw
   flesh.] (Ethnol.)
   One of a peculiar race inhabiting Arctic America and
   Greenland. In many respects the Eskimos resemble the
   Mongolian race. [Written also Esquimau.]
   [1913 Webster]

   Eskimo dog (Zo["o]l.), one of a breed of large and powerful
      dogs used by the Eskimos to draw sledges. It closely
      resembles the gray wolf, with which it is often crossed.
      Eskimo dog
      [1913 Webster]

WordNet (r) 3.0 (2006):

Eskimo dog
    n 1: breed of heavy-coated Arctic sled dog [syn: Eskimo dog,
         husky]