major fast day

English Thesaurus

1. one of two major fast days on the Jewish calendar (noun.time)

hypernym	:	fast day,
definition	:	a day designated for fasting (noun.time)

hyponym	:	day of atonement, yom kippur,
definition	:	(Judaism) a solemn and major fast day on the Jewish calendar; 10th of Tishri; its observance is one of the requirements of the Mosaic law (noun.time)

hyponym	:	fast of ab, fast of av, ninth of ab, ninth of av, tisha b'ab, tisha b'av, tishah b'ab, tishah b'av,
definition	:	(Judaism) a major fast day on the Jewish calendar commemorating the destruction of the temples in Jerusalem (noun.time)