井号 Traditional form: 井號 Pinyin (reading): jǐnghào Definitions: number sign # (punctuation) hash symbol pound sign Characters: 井 - well, mine shaft, pit 号 - mark, sign; symbol; number; to call, to cry, to roar Traditional characters: 井 - well, mine shaft, pit 號 - mark, sign; symbol; number; to call, to cry, to roar