rosolioPronunciation: /rə(ʊ)ˈzəʊlɪəʊ/Definition of rosolio noun (plural rosolios) [mass noun] a sweet cordial made in Italy from alcohol, raisins, sugar, rose petals, cloves, and cinnamon: [as modifier]:rosolio liqueursOrigin:Italian, from modern Latin ros solis 'dew of the sun'rosolio in other Oxford dictionaries Definition of rosolio in the US English dictionary