uncle uncle /ˈʌŋkəl/

noun

1. () The brother of your father or mother; the husband of your aunt  ( uncle )
   the brother of your father or mother; the husband of your aunt
    My uncle is a doctor
   My uncle is a doctor
   
2. () A source of help and advice and encouragement  ( uncle )
   a source of help and advice and encouragement
    He played uncle to lonely students
   he played uncle to lonely students