From Longman Dictionary of Contemporary Englishclementineclem‧en‧tine /ˈkleməntiːn, -taɪn/ noun [countable] British English DFFHBPa kind of small sweet orangeClementineClem‧en‧tine /ˈkleməntaɪn/ a folk song about a girl who drowns (=dies from being under water). In the US it is typically sung not in a serious way, but in a humorous way with a southern US accent Oh my darling, oh my darling, /Oh my darling, Clementine;/Thou art lost and gone forever, /Dreadful sorry, Clementine.Origin clementine (1900-2000) French clémentine