marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces
(Judaism) an initiation ceremony marking the 13th birthday of a Jewish boy and signifying the beginning of religious responsibility; "a bar mitzvah is an important social event"
confirm in the bar mitzvah ceremony, of boys in the Jewish faith
a day on which work is suspended by law or custom; "no mail is delivered on federal holidays"; "it's a good thing that New Year's was a holiday because everyone had a hangover"