Tomorrow is the day after today.(noun)
An example of tomorrow is Sunday when today is Saturday.
See tomorrow in Webster's New World College Dictionary
Origin: ME to morwe < to morwen < OE to morgen: see to & morning
See tomorrow in American Heritage Dictionary 4
Origin: Middle English to morow
Origin: , from Old English tō morgenne, in the morning
Origin: : tō, at, on; see to
Origin: + morgenne
Origin: , dative of morgen, morning.
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