1. a fixed amount of money that an insured person pays for a medical service or prescription drug, with the insurance company paying the rest
Usage: common in U.S. health insurance; also spelled co-pay

Examples

• My copay for a doctor's visit is $25.
• The prescription has a $10 copay at the pharmacy.
• Insurance plans with lower premiums often have higher copays.
• She paid her copay and waited to see the dentist.
• Many employers offer health plans with reasonable copays.
• The copay structure varies depending on the type of care you receive.