sœur[Français]

nom
1 : (slang) sometimes used as a term of address for attractive young women
2 : a female person who is a fellow member of a sorority or labor union or other group
3 : a woman religious
4 : a female person who has the same parents as another person
5 : a person's brother or sister
6 : (Roman Catholic Church) a title given to a nun (and used as a form of address)