1. makes food conform to Jewish dietary laws
Usage: third person singular present
2. approves or legitimizes something
Usage: informal; third person singular present

Examples

• The rabbi koshers the meat at the local butcher shop.
• She koshers all the kitchen utensils before Passover.
• The supervisor koshers the new policy changes.
• He koshers the deal with a handshake.
• The committee koshers the budget proposal.
• The chef koshers the restaurant’s preparation methods.