Medicare
noun uk/ˈmed.ɪ.keər/ us/ˈmed.ɪ.ker/
（美国的）老年医疗保健制度
a government service in the US that allows people aged 65 and over to receive medical treatment
Compare: Medicaid
（澳大利亚的）医疗保险制度
a government service in Australia that allows people to receive medical treatment, paid for through taxes