adj.of or relating to former Eastern Christian or Orthodox churches that have been received under the jurisdiction of the Church of Rome but retain their own rituals and practices and canon law
英汉双解大词典
Uniat/ˈjuːnɪɪt, -ˌeɪt/(alsoUniate)
1.
ADJ（形容词）
designating any of the Eastern Churches that retain their own liturgy but submit to papal authority 东仪天主教会的