kosher

The definition of kosher is a food that is considered clean or fit to eat by Jewish dietary laws, or is slang for OK or correct.

(adjective)

An example of something kosher is matzoh made in Israel with a kosher logo on it.
An example of kosher is the question you ask if you aren't sure about something, "Is it kosher to bring wine to someone's house that doesn't drink?"

To kosher is defined as to make something pure.

(verb)

An example of kosher is to take a pan and wash it in a natural running body of water, like a river.

See kosher in Webster's New World College Dictionary

adjective

Judaism
1. clean or fit to eat according to the dietary laws: Lev. 11
2. serving or dealing with food prepared according to such laws: a kosher kitchen
loosely prepared according to traditional Jewish recipes: kosher pickles
☆ Slang all right, proper, correct, etc.

Origin: Yiddish < Heb kāshēr, fit, proper < root kšr, to be appropriate

noun

kosher food

transitive verb

to make kosher

See kosher in American Heritage Dictionary 4

adjective

Judaism
a. Conforming to dietary laws; ritually pure: kosher meat.
b. Selling or serving food prepared in accordance with dietary laws: a kosher restaurant.
Slang
a. Legitimate; permissible: “consolidating noneditorial functions of the papers, which is kosher” (Christian Science Monitor).
b. Genuine; authentic.