Kosher

Part of speech: noun (n.)

Kosher food; also, a kosher shop.

Part of speech: verb (v.)

To prepare in conformity with the requirements of the Jewish law, as meat.

Part of speech: adjective (a.)

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.