(sometimes initial capital letter) Roman Catholic Church. the book containing the prayers and rites used by the priest in celebrating Mass over the course of the entire year.
2.
any book of prayers or devotions.
Origin: 1300–50; ME < ML missāle, n. use of neut. of missālis, equiv. to miss(a) Mass+ -ālis-al1
type of book containing the prayers, important chants, and necessary instructions for the celebration of the mass (Latin: missa) in the Roman Catholic church throughout the year.
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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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