Day of Atonement

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Atonement \A*tone"ment\, n. (Literally, a setting at one.) Reconciliation; restoration of friendly relations; agreement; concord. [Archaic] By whom we have now received the atonement. --Rom. v. 11. He desires to make atonement Betwixt the Duke of Gloucester ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
Jewish holiday, 1854, from Mishnaic Hebrew yom kippur (in Biblical Hebrew, yom kippurim ), literally "day of atonement," from yom "day" + kippur "atonement, expiation."

Wikipedia Word definitions in Wikipedia
Yom Kippur (; , , or ), also known as the Day of Atonement , is the holiest day of the year in Judaism . Its central themes are atonement and repentance . Jewish people traditionally observe this holy day with an approximate 25-hour period of fasting and ...