禋祀 yīnsì sacrificial ceremony Definitions Defs Origin Strokes Stroke Words Sentences Sents yīnsì sacrificial ceremony 禋 yīn sacrifice to heaven (bound form) an ancient ritual sacrifice to heaven involving the burning of animal parts, jade, and silk so that the smoke ascends to the sky祀 sì sacrifice (literary) a sacrificial ritual or ceremonyyīnsì to sacrifice 禋 yīn sacrifice (bound form) to offer sacrifices in general祀 sì to sacrifice (bound form) to offer sacrifices to ancestors or gods; to offer libations