The definition of a melic is a poem that is meant to be sung.(noun)
An example of a melic is a Greek poem that people perform in song.
See melic in Webster's New World College Dictionary
Origin: L melicus < Gr melikos < melos, song, musical member, orig., limb < IE base *mel-, a limb > Cornish mel, a knuckle
See melic in American Heritage Dictionary 4
Origin: Greek melikos
Origin: , from melos, song.