tetragonal
a. நாற்கட்டஞ் சார்ந்த, நாற்கோணமான.
Te*trag"o*nal, a. 1. (Geom.) Defn: 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. (Bot.) Defn: Having four prominent longitudinal angles. 3. (Crystallog.) Defn: Designating, or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization.