I. tə-ˈmär-(ˌ)ō, -ˈmȯr- adverb
Etymology: Middle English to morgen, from Old English tō morgen, from tō to + morgen morrow, morning — more at morn
Date: 13th century
: on or for the day after today
will do it tomorrow
II. noun
Date: 14th century
1. : the day after the present
the court will recess until tomorrow
2. : future 1a
the world of tomorrow