sanctus Meaning, Definition & Usage

Sanc"tus noun
Etymology
L. sanctus, p.p. of sancire.
Definitions
  1. (Eccl.) A part of the Mass, or, in Protestant churches, a part of the communion service, of which the first words in Latin are Sanctus, sanctus, sanctus [Holy, holy, holy]; -- called also Tersanctus.
  2. (Mus.) An anthem composed for these words.

Webster 1913