Mikhail S(ergeyevich) [mi-kahyl sur-gey-uh-vich,, mi-keyl;; Russian myi-khuh-yeel syir-gye-yi-vyich] /mɪˈkaɪl sɜrˈgeɪ ə vɪtʃ,, mɪˈkeɪl;; Russian myɪ xʌˈyil syɪrˈgyɛ yɪ vyɪtʃ/ (Show IPA), born 1931, Soviet political leader: general secretary of the Communist Party 1985–91; president of the Soviet Union 1988–91; Nobel Peace Prize 1990.
British Dictionary definitions for m. s. gorbachev
Mikhail Sergeevich (mixaˈil sirˈɡjejivitʃ). born 1931, Soviet statesman; general secretary of the Soviet Communist Party (1985–91): president (1988–91). Nobel peace prize 1990. His reforms ended the Communist monopoly of power and led to the break-up of the Soviet Union