丝桐 sītóng qin Origin Definitions Defs Strokes Stroke Words Sentences Sents 丝 絲 sī string instruments (bound form) traditional Chinese stringed instruments, often appearing in the compound 丝竹 sīzhú桐 tóng tong tree (bound form) any of several broad-leaved trees including the Chinese parasol tree 梧桐 wútóng, the empress tree 泡桐 pāotóng, and the tung oil tree 油桐 yóutóng