From Longman Dictionary of Contemporary EnglishBlue CrossˌBlue ˈCross trademark an American medical insurance companyFrom Longman Business DictionaryBlue CrossˌBlue ˈCross noun trademark INSURANCEORGANIZATIONSa US medical insurance companyIf Blue Cross patients accounted for one-third of a hospital’s patient days, the hospital would bill Blue Cross for one-third of its total costs. → see also Blue Shield
