Noun
a day specified for religious observance
Source: WordNetAll Saints' Day The Roman Catholic holy day of All Saints (or All Hallows) was introduced in the year 609, but was originally celebrated on 13 May. Source: Internet
At the Golders Green United Synagogue, a grade II-listed building in north-west London built in the 1920s, up to 850 people usually fill its galleried, oak-panelled hall for high holy day services. Source: Internet
Graffiti was scrawled across a sign of a Holocaust survivor on a Jewish holy day in North York, Ontario in July, 2018. Source: Internet
If they were given the opportunity, the Protestants would get an official answer to their grievance by the next Friday (this was taking place on the eve of Ascension Day and they all must observe the holy day). Source: Internet
A suicide bomber ripped through a Shiite Muslim procession in Pakistan's largest city of Karachi killing at least 30 people and wounding dozens more on Monday, as Shiites across the country marked the key holy day of Ashura. Source: Internet
He'd roust the local drunk from his stupor on high holy day, seat him at the head of the table, and respectfully ask for his wisdom. Source: Internet