0 a government service in the US that allows people aged 65 and over to receive medical treatment
1 a government service in the US for people who are 65 years old and older that pays for medical treatment
2 in the US, a government program that pays for medical treatment for people aged 65 or over:
Medicare patients/recipients/beneficiaries
3 in Australia, the national system that provides medical treatment, which is paid for by taxes
