Ei⋅sa⋅ku /eɪˈsɑku;Japn.ˈeɪsɑˌku/Show Spelled Pronunciation[ey-sah-koo;Japn.ey-sah-koo]Show IPA, 1901–75, Japanese political leader: prime minister 1964–72; Nobel peace prize 1974.
Sa·to (sä'tō) Japanese politician who served as prime minister (1964-1972). He shared the 1974 Nobel Peace Prize for his efforts toward nuclear disarmament.