Source : Webster's Revised Unabridged Dictionary (1913)

To-day \To-day"\, adv. [AS. t[=o] d[ae]g. See {To}, prep., and
   {Day}.]
   On this day; on the present day.

         Worcester's horse came but to-day.       --Shak.

To-day \To-day"\, n.
   The present day.