Bible Encyclopedias
Requiem

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

a musical mass for the dead in the Church of Rome. so called from the words of the Introit, "Requiem aeternam dona eis, Domine," Give them eternal rest, O Lord, etc. (2 Esdras 2:34-35); and the antiphon for the psalms in place of the Gloria Patri

Bibliography Information
McClintock, John. Strong, James. Entry for 'Requiem'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​r/requiem.html. Harper & Brothers. New York. 1870.