uncle

uncle

uncle [uncle uncles]   [ˈʌŋkl]    [ˈʌŋkl]  noun
1. the brother of your mother or father; the husband of your aunt
• Uncle Ian
• I'm going to visit my uncle.

• I've just become an uncle (= because your brother/sister has had a baby).

2. used by children, with a first name, to address a man who is a close friend of their parents
see Bob's your uncle at  Bob  
Word Origin:
Middle English: from Old French oncle, from late Latin aunculus, alteration of Latin avunculus ‘maternal uncle’, diminutive of avus ‘grandfather’.  
Example Bank:
• He looks so much like his late uncle.
• The boss smiled at us all like a benevolent uncle.

• the fortune left to her by her dead uncle