Definition of Adar Rishon
: the intercalary month of the Jewish calendar that precedes Adar Sheni in leap years — see month table
Origin and Etymology of adar rishon
Hebrew Ădhār Ri'shon first Adar
First Known Use: 1834See Words from the same year
Seen and Heard
What made you want to look up Adar Rishon? Please tell us where you read or heard it (including the quote, if possible).