Bible Encyclopedias
Placebo

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

an office in the Church of Rome, so called from its first word, has for its purpose the prayer for souls. It is the antiphon (q.v.) at vespers in the office of the dead, as the dirge is at matins. See Procter, Book of Common Prayer; Elliott, Delineation of Romanism.

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