GloriaPronunciation: /ˈglɔːrɪə/Definition of Gloria noun a Christian liturgical hymn or formula beginning (in the Latin text) with Gloria, in particular: the hymn beginning Gloria in excelsis Deo (Glory be to God in the highest), forming a set part of the Mass. the doxology beginning Gloria Patris (Glory be to the Father), used after psalms and in formal prayer (e.g. in the rosary). Origin:Latin, 'glory'Gloria in other Oxford dictionaries Definition of Gloria in the US English dictionary