Source : Webster's Revised Unabridged Dictionary (1913)

Western \West"ern\, a.
   1. Of or pertaining to the west; situated in the west, or in
      the region nearly in the direction of west; being in that
      quarter where the sun sets; as, the western shore of
      France; the western ocean.

            Far o'er the glowing western main.    --Keble.

   2. Moving toward the west; as, a ship makes a western course;
      coming from the west; as, a western breeze.

   {Western Church}. See {Latin Church}, under {Latin}.

   {Western empire} (Hist.), the western portion of the Roman
      empire, as divided, by the will of Theodosius the Great,
      between his sons Honorius and Arcadius, a. d. 395.

Source : WordNet®

Western Empire
     n : the western part after the Roman Empire was divided in 395;
         it lasted only until 476 [syn: {Western Roman Empire}]