O Salutaris Hostia

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O Salutaris Hostia

(săl'yo͞otâr`ĭs, sä'lo͞otä`rĭs) [Lat.,=O saving victim], hymn to the Host, one of the two hymns regularly sung at the Benediction of the Blessed Sacrament in the Roman Catholic Church. The other hymn is Tantum ergo. O Salutaris is really the last two stanzas of a Corpus Christi hymn, Verbum supernum prodiens, probably written by St. Thomas Aquinas.