Meaning of “tomorrow” - Learner’s Dictionary

tomorrow

noun [ U ], adverb uk us /təˈmɒrəʊ/
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)