The Collaborative International Dictionary of English v.0.48:

Arabian \A*ra"bi*an\, a.
   Of or pertaining to Arabia or its inhabitants.
   [1913 Webster]

   Arabian bird, the phenix. --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Arabian \A*ra"bi*an\, n.
   A native of Arabia; an Arab.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Arabian
    adj 1: relating to or associated with Arabia or its people;
           "Arabian Nights"; "Arabian Sea"
    2: of or relating to Arabian horses
    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, Arabian]
    2: a spirited graceful and intelligent riding horse native to
       Arabia [syn: Arabian, Arab]