Meaning of “uncle” - Learner’s Dictionary

uncle

noun [ C ] us uk /ˈʌŋkl/
My uncle always makes a big fuss of the children.My uncle has fixed me up with a summer job.My uncle runs a small decorating business.He's gone to visit his uncle.She went to the football match with her uncle.

A2 the brother of your mother or father, or the husband of your aunt

(Definition of “uncle” from the Cambridge Learner’s Dictionary © Cambridge University Press)