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 certainly don't live in a kosher home although I was raised in a kosher environment. Leonard Nimoy
I was kosher until I had my Bar Mitzvah, and I parlayed officially becoming a man into telling my father I wanted to eat cheeseburgers. Zach Braff
What is it to keep kosher? Is it eating kosher potato chips? Kosher is a bigger idea. I think it's about being healthy. But according to some people, it's about not eating this food because it's forbidden by the Jewish law. My view of the halachah changed a little bit. The laws are there hopefully to be a tool. Matisyahu
I'm kosher except for times where I eat pork and shellfish. Roseanne Barr
The problem is that borrowing money to pay back more borrowed money that will oblige you in the future to borrow even more money doesn't sound kosher. Because it isn't. John Podhoretz