oratoriocommon nounSyllable DecompositionoratorioEtymologyexpandfrom Italian oratorio, derived from Latin oratorium.Definition1. A lyrical drama composed on a sacred subject and intended to be performed, without sets or costumes, at a religious solemnity or in a concert.musiqueexpandComposer, exécuter un oratorio.Les oratorios de Haendel, de Haydn.PluraloratoriosTranslationsgerman:Oratoriumenglish:oratoriopolish:oratoriumportuguese:oratório