A modern dictionary of Catholic terms, both common and obscure. Find accurate definitions of words and phrases.
One of three Psalms, 50, 55, and 56 (Vulgate), each of which begins, in Latin, with the invocation, Miserere (Have mercy), but generally the title refers only to Psalm 50, which is the most common prayer for mercy in the Christian liturgy. (Etym. Latin miserere, have mercy [imperative].)
All items in this dictionary are from Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.