Source : Webster's Revised Unabridged Dictionary (1913)

Albion \Al"bi*on\, n. [Prob. from the same root as Gael. alp a
   height or hill. ``It may have been bestowed on the land lying
   behind the white cliffs visible from the coast of Gaul.
   Albany, the old name of Scotland, means probably the ``hilly
   land.'' --I. Taylor.]
   An ancient name of England, still retained in poetry.

         In that nook-shotten isle of Albion.     --Shak.

Source : WordNet®

Albion
     n : archaic name for England or Great Britain; used poetically