桐棺 tóngguān paulownia wood coffin Definitions Defs Origin Strokes Stroke Words Sentences Sents 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棺 guān noun coffin (bound form) coffin; a box for a corpse