Mad ‧ ame But ‧ ter ‧ fly /ˌmædəm ˈbʌtəflaɪ $ -tər-/ BrE AmE
1 . (1904) an ↑ opera by ↑ Puccini in which a Japanese woman marries an officer in the US navy called Lieutenant Pinkerton, who later leaves her in Japan and marries another woman in the US. When he returns to Japan with his American wife, his Japanese wife kills herself because she is so unhappy.
2 . the main female character of Madame Butterfly