kid

noun (CHILD)

/kɪd/

Definition

B1 [C] informal a child: He took the kids to the park while I was working.Children and babies › [C] informal a young person: He was only 16, just a kid really. [as form of address] What's up, kid?Young people sb's kid sister/brother mainly US informal › someone's younger sister or brotherFamily relations in general be like a kid in a candy store US and Australian English › to be very happy and excited about the things around you, and often react to them in a way that is silly and not controlled: You should have seen him when they arrived. He was like a kid in a candy store.Excited, interested and enthusiasticStupid and silly behaviour

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