Webster's Revised Unabridged Dictionary · 1913

Tomorrow

Tomorrow , adverb

[Prep. to + morrow.]

On the day after the present day; on the next day; on the morrow.
Summon him to-morrow to the Tower. — Shakespeare

Tomorrow , noun

The day after the present; the morrow.
To-morrow is our wedding day. — Cowper
One today is worth two to-morrows. — Franklin