n. 1. Requiem Roman Catholic Church a. A mass for a deceased person. b. A musical composition for such a mass. 2. A hymn, composition, or service for the dead. [Middle English, from Latin, accusative of requiēs, rest, the first word of the mass for the dead : re-, re- + quiēs, quiet; see kweiə- in the Appendix of Indo-European roots.] |
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