The Sanctus (Latin: Sanctus, "Holy") is a hymn from Chalcedonian Christian liturgy. It may also be called the epinikios hymnos (Greek: ἐπινίκιος ὕμνος, "Hymn of Victory") when referring to the Greek rendition.In Western Christianity, the Sanctus forms part of the Ordinary and is sung (or said) as the final words of the Preface of the Eucharistic Prayer, the prayer of consecration of the bread and wine.