τετράγωνος
Alt. τετρά-^γωνος, ον,
Etym. γωνία
I. "with four equal angles, rectangular or square", Lat. quadratus, Hdt.; δοκοί τ. "squared" beams, Thuc.:— τετράγωνον, ου, "a square", Plat.: "a body of men drawn up in square", Lat. agmen quadratum, Xen.
2. τ. ἀριθμός "a square" number, i. e. a number "multiplied into itself", Plat.
II. metaph. "square", i. e. "perfect", Simon. ap. Plat.