Sanctus [Lat.,=holy], hymn of the Roman Catholic Mass , beginning,
Holy, holy, holy,from Isa. 6.3; Mat. 21.9. It is the solemn choral ending of the preface. In the old liturgy the second part of the hymn, called Benedictus, was sometimes sung after the elevation. The Sanctus (sometimes called Tersanctus ) also includes the Hosanna.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
See more Encyclopedia articles on: Roman Catholic and Orthodox churches: Liturgy, Hymns, and Prayers