0 the sister of someone's father or mother, or the wife of someone's uncle or aunt:
I have an aunt in Australia.
This is my Aunt Camille.
[ as form of address ] Do you want some tea, Aunt Alice?
1 the sister of someone’s mother or father, or the wife of someone’s uncle:
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.