Source : Webster's Revised Unabridged Dictionary (1913)

Ethiop \E"thi*op\, Ethiopian \E`thi*o"pi*an\, n. [L. Aethiops,
   Gr. ?; ? to burn + ? face.]
   A native or inhabitant of Ethiopia; also, in a general sense,
   a negro or black man.

Ethiopian \E`thi*o"pi*an\, Ethiopic \E`thi*op"ic\, a.
   Of or relating to Ethiopia or the Ethiopians.

Source : WordNet®

Ethiopian
     n : a native or inhabitant of Ethiopia

Ethiopian
     adj : of or relating to or characteristic of Ethiopia or its
           people or languages; "Ethiopian immigrants"