Coinsurance

[Sarah]

Insurance jointly with another or others; specif., that systemof fire insurance in which the insurer is treated as insuring himselfto the extent of that part of the risk not covered by his policy, sothat any loss is apportioned between him and the insurance company onthe principle of average, as in marine insurance or between otherinsurers.

[Kit]

Coinsurance is different from a copay, which is [a flat] [fee] you pay when you get different types of [health care] services

[Tanya Shivari]

a situation in which two or more insurance companies share a risk

[Magaret]

A type of insurance in which the insured pays a share of the payment made against a claim.