油桐 Traditional form: 油桐 Pinyin (reading): yóutóng Definitions: Chinese wood-oil tree (Vernicia fordii) Characters: 油 - oil, fat, grease, lard; oil paints 桐 - Chinese wood-oil tree, Vernicia fordii Traditional characters: 油 - oil, fat, grease, lard; oil paints 桐 - Chinese wood-oil tree, Vernicia fordii