tetragonal

In geometry, pertaining to a tetragon; having four angles or sides.

In botany and zoology, four-angled; having four longitudinal angles.

Square; quartile.

Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are tetragonal fingers.

Having four prominent longitudinal angles.

Designating, or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization.

Having four sides (as a tetragon); quadrilateral.

Having two equal axes and one unequal, and all angles 90°.

of or relating to or shaped like a quadrilateral