a solemn ceremony held in the synagogue, usually on Saturday morning, to admit as an adult member of the Jewish community a Jewish boy 13 years old who has successfully completed a prescribed course of study in Judaism.
the boy participating in this ceremony.
verb (used with object)
to administer the ceremony of bar mitzvah to: Our son was bar mitzvahed at the family synagogue.
1861, in Judaism, "male person who has completed his 13th year and thus reached the age of religious responsibility," from Hebrew, literally "son of command." As a name for the ceremony itself, by 1941.