Dirge

Dirge is a word used a few times in Final Fantasy games. It could refer to the following:
 * Dirge of Cerberus: Final Fantasy VII, a spin off title staring Vincent Valentine.
 * The auto-translator short hand for Adventurer's Dirge, a Bard merit song in Final Fantasy XI.

Definition
In its strictest definition, a dirge is a lesser known type of funerary musical composition, with or without words, created to mourn the dead, but it could also refer to a poem written to do the same or any sound that evokes the same mournful character.