0 a girl or woman who has the same parents as another person -- sœur [ feminine ]
Her sister came with her. Sa sœur est venue avec elle.
I have a sister and two brothers. J’ai une sœur et deux frères.
1 a Catholic nun -- sœur [ feminine ]
the sisters in the convent les sœurs du couvent
2 a woman who shares similar important experiences with you -- sœur [ feminine ]
3 the title given to a female child to describe her relationship to the other children of her parents -- soeur
4 a type of senior nurse -- infirmière de chef
She’s a sister on Ward 5.
5 a female member of a religious group. -- soeur