Definition of Kol Nidre
: a formula for the annulment of private vows chanted in the synagogue on the eve of Yom Kippur
Origin of kol nidre
Aramaic kol nidhrē all the vows; from the opening phrase of the prayer
First Known Use: 1881
Learn More about kol nidre
Britannica.com: Encyclopedia article about "Kol Nidre"
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