菱角 Traditional form: 菱角 Pinyin (reading): língjiao Definitions: water caltrop (Trapa species), aquatic plant with edible seeds Characters: 菱 - water chestnut, water caltrop 角 - angle, corner; horn, horn-shaped Traditional characters: 菱 - water chestnut, water caltrop 角 - angle, corner; horn, horn-shaped