Definition of: Uniat

(y′nē·at) noun
A member of any community of Eastern Christians that acknowledges the supremacy of the pope at Rome, but retains its own liturgy, ceremonies, and rites: also called United Armenian, United Greek. Compare LATIN CHURCH.
—adjective Of the Uniats or their faith. Also U′ni·ate (-it, -āt). [<Russian uniyat <uniya union <L unus one; from being in union with the Roman Catholic Church]