holy day of obligation
noun
a day on which Roman Catholics are duty-bound to attend Mass and abstain from certain kinds of work.
a day on which Episcopalians are expected to take communion.
Origin of holy day of obligation
First recorded in 1930–35
Words nearby holy day of obligation
holy clover,
holy communion,
holy cow,
holy cross,
holy day,
holy day of obligation,
holy family,
holy father,
holy ghost,
holy grail,
holy grass
British Dictionary definitions for holy day of obligation
holy day of obligation
noun
a major feastday of the Roman Catholic Church on which Catholics are bound to attend Mass and refrain from servile work