Dies IraeDi·es I·rae
a medieval Latin hymn about Judgment Day, beginning Dies Irae: it was formerly sung at the Mass for the dead
Origin of Dies IraeL, Day of Wrath
A medieval Latin hymn describing Judgment Day, used in some masses for the dead.
Origin of Dies IraeMedieval Latin Diēs īrae day of wrath (the first words of the hymn) Latin diēs day Latin īrae genitive of īra wrath