sororate

[ sawr-uh-reyt, sohr- ]
/ ˈsɔr əˌreɪt, ˈsoʊr- /

noun

subsequent or concurrent marriage with a wife's sister.

Origin of sororate

1905–10; < Latin sorōr- (stem of soror) sister + -ate3

Example sentences from the Web for sororate

British Dictionary definitions for sororate

sororate
/ (ˈsɒrəˌreɪt) /

noun

the custom in some societies of a widower marrying his deceased wife's younger sister

Word Origin for sororate

C20: from Latin soror a sister