
1) Byzantine Rite 2) Christian term
Found on
https://www.crosswordclues.com/clue/zeon
[liturgy] Zeon (Greek: `boiling`, `fervor`) is a liturgical action which takes place in the Divine Liturgy of the Rite of Constantinople, during which hot water is added to the chalice. The same term is used as a noun to describe the vessel used for this purpose. Immediately following the fraction, the altar server hands the deacon a vessel...
Found on
http://en.wikipedia.org/wiki/Zeon_(liturgy)

in the Eastern Orthodox church, a part of the Eucharistic liturgy in which the deacon pours a few drops of hot water (known as the zeon, or `living ...
Found on
http://www.britannica.com/eb/a-z/z/6
No exact match found.