SarbOx Syllabification: (SarbOx)Pronunciation: /ˈsärbäks/ (also Sarbox)Definition of SarbOx noun the Sarbanes-Oxley Act, a 2002 Federal law that set new accounting standards for publicly traded companies: [as modifier]:SarbOx complianceOrigin:after Paul Sarbanes and Michael Oxley, the legislators who sponsored the law