τετρᾶς

τετρᾶς, ᾶντος, ὁ,

• quadrant of a circle, Vitr. 4.2.4, 4.3.4, 10.6.1.
• • II a coin, Lat. quadrans, Hsch.; cf. ἑξᾶς; on the accent cf. Hdn.Gr. 1.56.