柘丝 zhèsī silk from cudrania-fed silkworms Definitions Defs Origin Strokes Stroke Words Sentences Sents 柘 zhè Chinese mulberry (bound form) a thorny tree in the mulberry family with dense, tough wood, often used for furniture or medicine; also known as 柘树 zhèshù丝 絲 sī noun silk the fine thread produced by a silkworm; textiles made of silk