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English definition of “baby”

baby

noun [C]    /ˈbeɪ·bi/
a very young child: Sandra had a baby on May 29th. My younger brother is the baby of the family. Baby can be used to refer to anything young or smaller than usual: baby corn/lima beans disapproving Baby can also mean someone who is behaving childishly: She complained like a baby about her boyfriend. infml Baby is an affectionate way of addressing someone. infml A baby can also be a project or job someone has a special interest in or responsibility for: The new computer system is really Phil’s baby.
(Definition of baby noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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