I.Lat. cubus, a cube: a cubical die, marked on all 6 sides (whereas the ἀστράγαλος was marked only on four sides), in pl., dice, Hdt., etc.; the Greeks threw with three dice, so that τρὶς ἕξ, three sixes, was the highest throw, Aesch., Plat.; κρίνειν τι ἐν κύβοις to decide it by the dice, by chance, Aesch.
2.also of the single pips on the dice, βέβληκ᾽ Ἀχιλλεὺς δύο κύβω καὶ τέσσαρα he has thrown two aces and a four, Aesch. ap. Ar.
II.a cubic number, i. e. a number multiplied twice into itself, as 27 is the cube of 3, Plat.
