Definition of Yom Kippur noun from the Oxford Advanced Learner's Dictionary

 

Yom Kippur

 noun
noun
BrE BrE//ˌjɒm ˈkɪpə(r)//
 
, BrE//ˌjɒm kɪˈpʊə(r)//
 
; NAmE NAmE//ˌjɑːm kɪˈpʊr//
 
, NAmE//ˌjɔːm kɪˈpʊr//
 
[uncountable] Religious holidays and festivals
 
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a Jewish religious holiday in September or October when people eat nothing all day and say prayers of penitence in the synagogue, also known as the Day of Atonement See related entries: Religious holidays and festivals Word OriginHebrew.
See the Oxford Advanced American Dictionary entry: Yom Kippur