Source : Webster's Revised Unabridged Dictionary (1913)

Morrow \Mor"row\, n. [OE. morwe, morwen, AS. morgen. See
   {Morn}.]
   1. Morning. [Obs.] ``White as morrow's milk.'' --Bp. Hall.

            We loved he by the morwe a sop in wine. --Chaucer.

   2. The next following day; the day subsequent to any day
      specified or understood. --Lev. vii. 16.

            Till this stormy night is gone, And the eternal
            morrow dawn.                          --Crashaw.

   3. The day following the present; to-morrow.

   {Good morrow}, good morning; -- a form of salutation.

   {To morrow}. See {To-morrow} in the Vocabulary.

Source : WordNet®

morrow
     n : the next day; "whenever he arrives she leaves on the morrow"