epyl·li·on \eˈpilēən, -ēˌän\noun (pluralepyl·lia \-ēə\ ; orepyllions) Etymology: Greek, diminutive of epos word, speech, epic poem — more at voice : a relatively short narrative poem resembling an epic in theme, tone, or style < Arnold's emulation of certain Homeric qualities in his epyllionSohrab and Rustum >