noun Ser·gey A·le·ksan·dro·vich [syir-gyey uh-lyi-ksahn-druh-vyich] /syɪrˈgyeɪ ʌ lyɪˈksɑn drə vyɪtʃ/, 1895–1925, Russian poet. nounSergey Aleksandrovich. See (Sergey Aleksandrovich) Esenin