Ceremonially clean, according to Jewish law; -- applied to food, esp. to meat of animals slaughtered according to the requirements of Jewish law. Opposed to tref. Hence, designating a shop, store, house, etc., where such food is sold or used.
Kosher food; also, a kosher shop.
To prepare in conformity with the requirements of the Jewish law, as meat.
I was Jewish, through and through, although in our house that didn't mean a whole lot. We never went to synagogue. I never had a Bar Mitzvah. We didn't keep kosher or observe the Sabbath. In fact, I'm not so sure I would have known what the Sabbath looked like if it passed me on the street, so how could I observe it? Gilbert Gottfried