七角形 Traditional form: 七角形 Pinyin (reading): qījiǎoxíng Definitions: heptagon Characters: 七 - seven 角 - angle, corner; horn, horn-shaped 形 - form, shape; to appear; to describe; to look Traditional characters: 七 - seven 角 - angle, corner; horn, horn-shaped 形 - form, shape; to appear; to describe; to look