polygonal /pəˈlɪɡənəl/ adjective2 •Having many angles; hence characteristic of a polygon.Various forms of conductors have been invented, such as wooden and iron pipes, of a round, square, and polygonal section; but at present, scarcely any other than sheet or cast iron pipes are employed. — 1851 •Comprised of polygons.The old path paved with polygonal masonry. — 1906
