Definitions for "Day of Atonement"
Major feast day in the fall when atonement was made for the people and priests, and the Temple was cleansed.
The rites to be observed on the Day of Atonement are fully set forth in the sixteenth chapter of Leviticus. It was a most solemn fast, on which no food should be taken throughout the whole day, and serville works were fobidden.
(Judaism) a solemn Jewish fast day; 10th of Tishri; its observance is one of the requirements of the Mosaic Law