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:
After my aunt died, we arranged for her house to be cleared .
We used to spend the weekends at my aunt's cottage in the country.
For instance, a quarter of the working parents reported using their children's aunts, and 10 per cent, their children's uncles when they were at work.
She projects, from the start, an alternative lesson, and at the end she pronounces her pride in being like her aunt.
In the cases of uncles and aunts, childlessness may often have been a factor.