Lewis & Short

ĕpōdos, i, m., = ἐπωδός (singing to), a form of lyric metre invented by Archilochus, in which a longer verse is followed by a shorter one, not including the elegiac distich. So in Roman literature, the Epodi of Horace, Ter. Maur. p. 2422 P.; Diom. p. 482 ib.; Quint. 10, 1, 96; Aus. Ep. 10, 37; 16, 2.