tetragonal

tetragonal is an   Adverb

Definition:

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

[2] Having four prominent longitudinal angles.

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

Synonyms: