Menaion
noun
Me·nai·on
| \ mə̇ˈnāˌȯn\
plural Menaia\ -āə \
Definition of Menaion
: a collection of hymns and collects for all days of the year in the Eastern Orthodox Church arranged in calendar order and usually divided into 12 volumes each for a different month and each containing the proper of the immovable feasts of Christ or the saints for the month
also
: any of these volumes
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