n. pl. Sanc·tus·es 1. 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. 2. A musical setting for this hymn. [Middle English, from Late Latin Sānctus, from Latin sānctus, holy (from the first word of the hymn); see SANCTIFY.] |
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