kənˈtɹəʊl kənˈt(ʃ)ɹoʊl kənˈtɹəʊlə kənˈtɹoʊlɚ ɹɪˈstreɪnɚ ɹɪˈstreɪnə a mechanism that controls the operation of a machine the speed controller on his turntable was not working properly I turned the controls over to her someone who maintains and audits business accounts a person who directs and restrains