基本词义姒 sì

[1] (形声。从女,以声。本义:古代兄弟之妻年长者)

[2] 同本义。古以兄妻为姒,弟妻为娣;相谓亦曰姒。弟妻称兄妻为姒 wife of husband’s elder brother

[3] 又如:姒娣(妯娌);姒妇(古代弟之妻称兄之妻为姒妇)

[4] 古代同夫诸妾称长者曰姒,幼者曰娣 (of sisters who married same husband) the elder one

[5] 古时称姊为姒 elder sister

[6] 姓

sì ㄙˋ