Pronunciation: ˌ y ō m-ki- ' pu ̇ r, ˌ yo ̇ m-, ˌ yäm-; - ' ki-p ə r, -( ˌ )pu ̇ r
Function: noun
Etymology: Hebrew y ō m kipp ū r, literally, day of atonement
Date: 1854
: a Jewish holiday observed with fasting and prayer on the 10th day of Tishri in accordance with the rites described in Leviticus 16 ― called also Day of Atonement