/ ˈmedɪkeə(r); NAmE -ker/ noun [ U ]
1.
(in the US) the federal insurance system that provides medical care for people over 65
2.
(in Australia and Canada) the national medical care system for all people that is paid for by taxes (spelt 'medicare' in Canada)
For more information see the Cultural Guide
••
WORD ORIGIN
1960s: from medical + care .