symmetry
sym.me.try \'sim-*-tre-\ n [L symmetria, fr. Gk, fr. symmetros symmetrical, fr. syn- + (Xmetron measure - more at MEASURE 1: balanced proportions; also : beauty of form arising from balance d proportions 2: the property of being symmetrical; esp : correspondence in size, shape, and relative position of parts on opposite sides of a dividing line or median plane or about a center or axis