- 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.
- to administer the ceremony of bar mitzvah to: Our son was bar mitzvahed at the family synagogue.
- (of a Jewish boy) having assumed full religious obligations, being at least thirteen years of age
- the occasion, ceremony, or celebration of that event
- the boy himself on that day
