original_query: What is the definition of epiclesis?
query: What is the definition of epiclesis?
answer: Epiclesis, from the Greek word meaning "invocation" or "calling upon", refers to the invocation of one or more gods.  In ancient Greek religion, it was an epithet or surname given to a deity.  In Christianity, it designates the invocation of the Holy Spirit upon the Eucharistic bread and wine.