Kol Nidre

noun

Kol Ni·​dre kōl-ˈni-(ˌ)drā 

kȯl-,

-drə;

-ni-ˈdrā

: a formula for the annulment of private vows chanted in the synagogue on the eve of Yom Kippur

Word History

Etymology

Aramaic kol nidhrē all the vows; from the opening phrase of the prayer

First Known Use

1881, in the meaning defined above