四角形 Traditional form: 四角形 Pinyin (reading): sìjiǎoxíng Definitions: square quadrilateral Characters: 四 - four 角 - angle, corner; horn, horn-shaped 形 - form, shape; to appear; to describe; to look Traditional characters: 四 - four 角 - angle, corner; horn, horn-shaped 形 - form, shape; to appear; to describe; to look