珙桐 gǒngtóng dove tree Definitions Defs Origin Strokes Stroke Words Sentences Sents 珙 gǒng dove tree (bound form) as in 珙桐 gǒngtóng, the Davidia involucrata or dove tree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