the wife of a head of state (especially a president)

to suffer a double loss or lose both sides of a bargain after an unsuccessful attempt to deceive or outsmart another

Maria Skłodowska-Curie or Marie Curie (1867–1934), Nobel laureate in both physics (1903) and chemistry (1911)

Margaret Thatcher (1925-2013), British conservative politician and prime minister from 1979 to 1990

Madame Tussaud (1761–1850), French wax sculptor who founded the eponymous wax museum in London

the EU Sakharov Human Rights Prize

the EU Sakharov Prize for human rights

the wife or widow of a duke, or a woman holding the rank of duke in her own right

honorific title for the mother of a noble or high official in ancient China

(old) concubine