A Requiem is a type of musical composition, usually for orchestra and choir, that is intended to commemorate the death of someone. The term Requiem comes from the Latin word meaning 'REST' or 'REPOSE'. The three crossword solutions associated with the term Requiem are LAMENT (6 letters), DIRGE (5 letters), and MASS (4 letters). A LAMENT is a passionate expression of grief or sorrow, often in the form of a song. A DIRGE is a slow, mournful song or hymn, typically sung at a funeral. Lastly, a MASS is a religious ceremony that includes singing, prayer, and other rituals.