01 n. An ancient anthem, -- usually known by its Latin name tersanctus.See Tersanctus.
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1.
An ancient anthem, -- usually known by its Latin name tersanctus.See Tersanctus.(Eccl.) See: Tersanctus
Entry
1 sense
Webster, 1913
Trisagion
· Tris·ag·i·on
· IPA