τετράς,άδος,ἡ,
A. the number four, Arist. Metaph. 1081b16 , 1090b23 , Ph. 1.22 , Plu. Lyc. 5 , etc.
2. the fourth davof the month, h.Merc. 19 , Hes. Op. 794 , 798 , Ar. Nu. 1131 , Th. 5.54 , IG 12.304.50 , 62 , etc.; so Boeot.
πετράς(q.v.);τετράδι γέγονας, prov. of one born to a life of labour (cf. τετραδισταί
11
), Pl.Com. 100 , cf. Aristonym. 4 , Sannyr. 5 .
b. the fourth day of the week, Wednesday,
Cod.Just. 9.4.6.1 .
3. a space of four days, Hp. Prog. 20 .
4. the fourquartersof the moon, Thphr. Sign. 5 , 27 , 38 .
II.
= τετραρχία
1 , Hellanic. 52
J.
III. κατὰ τετράδα διατετάχθαι in four divisions, Ascl. Tact. 3.1 .