[bar mitz.vah] n, often cap B&M [Heb bar miswah, lit., son of the (divine) law] (1816) 1: a Jewish boy who reaches his 13th birthday and attains the age of religious duty and responsibility
2: the initiatory ceremony recognizing a boy as a bar mitzvah
[2]bar mitzvah vt bar mitz.vahed ; bar mitz.vah.ing (1947): to administer the ceremony of bar mitzvah to