What does refund mean in cooking?

refund means: Consumer promotion where the consumer purchases a product and is entitled to cash back, discount or coupons good for discounts on their next purchase. (in Cooking Dictionary)

What else does refund mean?

• Give back money, particularly to someone else; repay. (in Merlin Dictionary)
• Repayment. (in Merlin Dictionary)
• Repayment of funds (in Merlin Dictionary)
• A repayment of an amount. (in Merlin Dictionary)