桐油 Traditional form: 桐油 Pinyin (reading): tóngyóu Definitions: tung oil, from the Japanese wood-oil tree Aleurites cordata, used in making lacquer Characters: 桐 - Chinese wood-oil tree, Vernicia fordii 油 - oil, fat, grease, lard; oil paints Traditional characters: 桐 - Chinese wood-oil tree, Vernicia fordii 油 - oil, fat, grease, lard; oil paints