What is "sunrising"

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.

n. (context obsolete English) sunrise, daybreak