Part of the vestment worn by bishops and some priests in the Eastern Orthodox Church somewhat similar to a maniple(noun)
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Use "epigonation" in a sentence
"A peculiar episcopal ornament is the _epigonation_."
"He has the right to wear a pectoral cross, the epigonation in the celebration of Mass, and to sign the cross before his name after the manner of bishops."
"In the Greek Rite the vestment that corresponds to the maniple is the epigonation."