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baby

 
/ˈbeɪ·bi/ n [C]

Definition

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 n from the Cambridge Academic Content Dictionary © Cambridge University Press)

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