桐城 Traditional form: 桐城 Pinyin (reading): Tóngchéng Definitions: see 桐城市 ( Tóngchéng Shì) Characters: 桐 - Chinese wood-oil tree, Vernicia fordii 城 - castle, city, town; municipality Traditional characters: 桐 - Chinese wood-oil tree, Vernicia fordii 城 - castle, city, town; municipality