- an acclamation beginning “Holy, holy, holy Lord” that immediately follows the Preface as of the Mass
- a musical setting for this
Origin of SanctusMiddle English ; from Ecclesiastical Late Latin holy: see saint
- A hymn of praise sung or spoken at the end of the Preface in many Eucharistic liturgies, including the Ordinary of the Roman Catholic Mass.
- A musical setting for this hymn.
Origin of SanctusMiddle English, from Late Latin Sānctus, from Latin sānctus, holy (from the first word of the hymn); see sanctify.