A benediction (Latin: bene, 'well' + dicere, 'to speak') is a short invocation for divine help, blessing and guidance, usually at the end of worship service. It can also refer to a specific Christian religious service including the exposition of the eucharistic host in the monstrance and the blessing of the people with it. Christianity. From the earliest church, Christians adopted ceremonial benedictions into their liturgical worship, particularly at the end of a service. Such benedictions have been regularly practiced both in the Christian East and West.
https://en.wikipedia.org/wiki/Benediction