sister


sister
In Great Britain and its Commonwealth countries: 1. The title of a head nurse in a public hospital or in a ward or the operating room of a hospital. 2. Any registered nurse in private practice.

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sis·ter 'sis-tər n chiefly Brit a head nurse in a hospital ward or clinic broadly NURSE

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sis·ter (sisґtər) the nurse in charge of a hospital ward (Great Britain).

Medical dictionary. 2011.