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Sanc·tus | \ ˈsaŋ(k)-təs 
; ˈsäŋ(k)-təs, -ˌtüs \
; ˈsäŋ(k)-təs, -ˌtüs \Definition of Sanctus
: an ancient Christian hymn of adoration sung or said immediately before the prayer of consecration in traditional liturgies
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Time Traveler for Sanctus
The first known use of Sanctus was in the 15th century
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