Source : Webster's Revised Unabridged Dictionary (1913)

Sunrise \Sun"rise`\, Sunrising \Sun"ris`ing\, n.
   1. The first appearance of the sun above the horizon in the
      morning; more generally, the time of such appearance,
      whether in fair or cloudy weather; as, to begin work at
      sunrise. ``The tide of sunrise swells.'' --Keble.

   2. Hence, the region where the sun rises; the east.

            Which were beyond Jordan toward the sunrising.
                                                  --Deut. iv. 47
                                                  (Rev. Ver.)

            Full hot and fast the Saxon rides, with rein of
            travel slack, And, bending o'ev his saddle, leaves
            the sunrise at his back.              --Whittier.