- [oftenM-] a large book containing the prayers, readings, and rubrics authorized by the Roman Catholic Church for the celebration of Mass
- any small book with such content abridged, for use by people attending Mass
Origin of missalMiddle English missale from Ecclesiastical Medieval Latin neuter of missalis, of Mass from Ecclesiastical Late Latin missa, Mass
- Roman Catholic Church A book containing all the prayers and responses necessary for celebrating the Mass throughout the year.
- A prayer book.
Origin of missalMiddle English from Anglo-Norman missal and from Medieval Latin missāle (Anglo-Norman) ( from Medieval Latin) from neuter of missālis of the Mass from Late Latin missa Mass ; see Mass .