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English definition of “sister”

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sister

noun [C]
 
 
/ˈsɪstər/
RELATIVE A1 a girl or woman who has the same parents as you: an older/younger sister my big/little sisterFamily relations in general
RELIGION ( also Sister) a nun (= woman who lives in a female religious group): Sister BridgetMonks and nuns
NURSE ( also Sister) a female nurse in the UK who is responsible for a hospital ward (= an area of a hospital containing beds for sick people): I asked Sister if he would be able to go home soon.Doctors and health workers generally
MEMBER a woman who is a member of the same race, religious group, organization, etcKinds of womenMen and womenPosition and status in groups and organizations
(Definition of sister from the Cambridge Learners Dictionary © Cambridge University Press)
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