ἰσόπλευρος
ον, Adv.
A.
with equal sides, πλαίσιον X. An. 3.4.19, etc.: freq. in Geom., equilateral, τρίγωνον Pl. Ti. 54a, 54e; ἐπίπεδον ib.55e; τετράγωνον Plb. 6.31.10.
II.
of numbers, square, opp. ἑτερομήκης, Pl. Tht. 148a, Arist. APo. 73a40. Adv. ‐πλεύρως Nicom. Ar. 2.13.
III.
Rhet., of periods, Hermog. Inv. 4.3.