baby

noun [C]

/ˈbeɪ.bi/

Definition

A1 a very young child, especially one that has not yet begun to walk or talk: a newborn baby a six-week-old baby a baby boy baby clothes baby food Sandra had a baby (= gave birth to it) on 29 May. Owen is the baby (= the youngest person) of the family.Children and babies A2 a very young animal: a baby elephant/monkeyAnimal young › disapproving an adult or especially an older child who is crying or behaving like a child: It didn't hurt that much - don't be such a baby!Heroes and cowards › mainly US a word you can use when you are talking to someone you love such as your wife, husband, partner, etc.: Oh baby, I love you.Affectionate terms of address baby carrot, sweetcorn, etc. › a type of vegetable that is specially grown to stay smallSmallExtremely small › informal Someone's baby is something that they have a special interest in and responsibility for: I don't know much about the project - it's Philip's baby.Duty, obligation and responsibility

(Definition of baby noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)