High Holy Day
noun Judaism.
either of two holy days of special significance, Rosh Hashanah or Yom Kippur.
Also called
High Holiday.
British Dictionary definitions for high holidays
High Holidays
pl n
Judaism
the festivals of Rosh Hashanah and Yom Kippur, the period of repentance in the first ten days of the Jewish new year
Also called: Days of Awe, Yamim Nora'im