n. An animal of the family Cervidæ, the Cervus alces or Alces malchis of those who hold that it is the same as the elk of Europe; the moose-deer of America, by some considered specifically distinct from the elk of Europe, and then called Alces americana.n. The Alaskan moose has been described as a new species, Alces gigas, distinguished by its larger teeth and antlers, and by other characteristics.