Iacchus

, a surname of Bacchus, ab ἰαχειν , from the noise and shouts which the bacchanals raised at the festivals of this deity. Virgil , Eclogues , poem 6; Georgics , bk. 1 , li. 166 .— Ovid , Metamorphoses , bk. 4 , ch. 15 .――Some suppose him to be a son of Ceres; because in the celebration of the Eleusinian mysteries, the word Iacchus was frequently repeated. Hero dot us , bk. 8 , ch. 65 .— Pausanias , bk. 1 , ch. 2 .