Meaning of Sanctus

Sanc•tus

Pronunciation: (sangk'tus), [key]
— n.
  1. (italics) Also calledthe hymn beginning “Holy, holy, holy, Lord God of hosts,” with which the Eucharistic preface culminates.
  2. a musical setting for this hymn.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.