1. past tense of kasher; to make something kosher according to Jewish dietary laws
Usage: Also spelled 'koshered'; Religious/cultural context

Examples

• The kitchen was kashered before Passover.
• They kashered the utensils by boiling them in water.
• The butcher kashered the meat according to traditional methods.
• She kashered the pots and pans for the holiday.
• The rabbi kashered the new kitchen equipment.