sister

noun
A1
1
A1
a girl or woman who has the same mother and father as another person
خواهر
see also cousin sister, half-sister, stepsister
2
used for talking to or about other members of a women’s organization or other women who have the same ideas, purpose, etc. as yourself
خواهر, هم‌پیمان زن, همفکر زن, هم‌اندیش, هم‌هدف
They supported their sisters in the dispute.
3
a senior female nurse who is in charge of a hospital ward
پرستار ارشد, سرپرستار, پرستار مسئول
see also charge nurse
4
a female member of a religious group, especially a nun
خواهر مذهبی, خواهر روحانی, راهبه, خواهر دینی, عضو زن مذهبی
Sister Mary
the Sisters of Charity
5
(in the US) a member of a sorority (= a club for a group of female students at a college or university)
خواهر انجمنی
Carolyn's sorority sisters at Indiana University
6
used by black people as a form of address for a black woman
خواهر سیاه‌پوست
7
a thing that belongs to the same type or group as something else
همتا, مشابه, همسان, شبیه, جور
our sister company in Italy
a sister ship