What is Breviary?

Breviary definition and meaning on Dictionary terms:
noun, plural breA.viA.arA.ies.
Roman Catholic Church. a book containing all the daily psalms, hymns, prayers, lessons, etc., necessary for reciting the office.
a book of daily prayers and readings in some other churches.

RELATED WORDSrecap, rundown, contraction, run-through, compendium, sketch, condensation, outline, abstract, brief, conspectus, capsule, epitome, review, abridgment, reduction, summary, synopsis, curtailment, decrease