Meaning of “tomorrow” - Learner’s Dictionary

tomorrow

noun [ U ], adverb us uk /təˈmɒrəʊ/
Right, so Helen's coming tomorrow and Trevor on Thursday.I have to go to Manchester tomorrow.The deadline for entering the competition is tomorrow.Bye, see you tomorrow.Call me tomorrow - I'll have time to speak then.
DAY AFTER TODAY

A1 the day after today or on the day after today:

It's my birthday tomorrow.
Tomorrow is Friday.
THE FUTURE

the future, or in the future:

the children of tomorrow

(Definition of “tomorrow” from the Cambridge Learner’s Dictionary © Cambridge University Press)