From Longman Dictionary of Contemporary Englishcoinsuranceco‧in‧sur‧ance /ˌkəʊɪnˈʃʊərəns $ ˌkoʊɪnˈʃʊr-/ noun [uncountable] American English 1 BFIa type of insurance in which the payment is split between two people, especially between an employer and a worker health coinsurance2 BFIinsurance that will only pay for part of the value or cost of something
