ko‧sher /ˈkəʊʃə $ ˈkoʊʃər/
adjective[
Date: 1800-1900;
Language: Yiddish;
Origin: Hebrew kasher 'fit, suitable']
1. a) kosher food is prepared according to Jewish law
b) kosher restaurants or shops sell food prepared in this way
2. informal something that is kosher is honest, legal, or really what it is claimed to be:
Are you sure this offer is kosher? [TahlilGaran] Dictionary of Contemporary English ▲