: a female who has one or both parents in common with another
a member of a women’s religious order (as of nuns or deaconesses)
especially : one of a Roman Catholic congregation under simple vows
a girl or woman who is a member of a Christian church
a girl or woman regarded as a comrade
a girl or woman who shares with another a common national or racial origin
one that is closely similar to or associated with another
Since appearing on Bridgerton in 2022, the actress has portrayed Ariel’s sister, Indira, in the live-action version of The Little Mermaid (2023).—
James Mercadante and Stephanie Kaloi, EW.com, 11 May 2024
Harris was raised by his grandmother and two aunts — his mother’s sisters.—
Omar Rodríguez Ortiz, Miami Herald, 11 May 2024
Middle English suster, sister, partly from Old English sweostor and partly from Old Norse systir sister; akin to Latin soror sister, Sanskrit svasṛ