桐城 Traditional form: 桐城 Pinyin (reading): Tóngchéng Definitions: Tongcheng, a county-level city in Anqing 安慶/安庆 ( Anqīng), Anhui 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