pari-mutuelPronunciation: /ˌpɑːrɪˈmjuːtʃʊəl, -ˈtjʊəl/Definition of pari-mutuel noun [often as modifier] a form of betting in which those backing the first three places divide the losers' stakes (less the operator’s commission):pari-mutuel bettingOrigin:French, literally 'mutual stake'pari-mutuel in other Oxford dictionaries Definition of pari-mutuel in the US English dictionary