Source : Webster's Revised Unabridged Dictionary (1913)

Arabian \A*ra"bi*an\, a.
   Of or pertaining to Arabia or its inhabitants.

   {Arabian bird}, the phenix. --Shak.

Arabian \A*ra"bi*an\, n.
   A native of Arabia; an Arab.

Source : WordNet®

Arabian
     n 1: a member of a Semitic people originally from the Arabian
          peninsula and surrounding territories who speaks Arabic
          and who inhabits much of the Middle East and northern
          Africa [syn: {Arab}]
     2: a spirited graceful and intelligent riding horse native to
        Arabia [syn: {Arab}]

Arabian
     adj 1: relating to or associated with Arabia or its people;
            "Arabian Nights"; "Arabian Sea"
     2: of or relating to Arabian horses