quadrilateral

But a quadrilateral would also be constituted by four lines arranged in some particular manner.

A figure that is bounded by four straight lines is termed a quadrangle, quadrilateral or tetragon.

Platt-Teutsch platooning, bayonet-charging,—on such terms no Russian or mortal Quadrilateral can stand it.

This left in the hands of the Austrians still an important part of northern Italy known as the Quadrilateral.

The first stage or platform is at the height of 189 feet, and forms a quadrilateral 213 feet square, fitted up as a restaurant.