加号 Traditional form: 加號 Pinyin (reading): jiāhào Definitions: plus sign + (math.) Characters: 加 - to add to, to increase, to augment 号 - mark, sign; symbol; number; to call, to cry, to roar Traditional characters: 加 - to add to, to increase, to augment 號 - mark, sign; symbol; number; to call, to cry, to roar