Nantoka/姒Sì姒 (Sì) is a Chinese word meaning “surname Si”.Meanings1surname SiRelated words姒wife or senior concubine of husbands older brother (old)娣姒sisters-in-law (old)姒文命Si Wenming, personal name of Yu the Great 大禹[Da4 Yu3]褒姒Baosi, concubine of King You of Zhou 周幽王[Zhou1 You1 wang2] and one of the famous Chinese beautiesStudy Chinese with flashcards →