Source : Webster's Revised Unabridged Dictionary (1913)

Palestinian \Pal`es*tin"i*an\, Palestinean \Pal`es*tin"e*an\, a.
   Of or pertaining to Palestine.

Source : WordNet®

Palestinian
     adj : of or relating to the area of Palestine and its inhabitants;
           "Palestinian guerrillas"

Palestinian
     n 1: a descendant of the Arabs who inhabited Palestine [syn: {Palestinian
          Arab}]
     2: an ethnic group of Arabs formerly living in Palestine