Definition of Eastern Catholic in English:

Eastern Catholic

noun

  • A member of an Eastern Catholic church.

adjective

  • Of or designating any of the eastern churches which recognize the authority of the Pope and are in communion with the Roman Catholic Church, while retaining their respective languages and liturgical traditions.

Origin

Mid 18th century; earliest use found in Richard Pococke (1704–1765), traveller and Church of Ireland bishop of Ossory, of Elphin, and of Meath.