Definitions

1. adjective

relating to or characterized by oecumenism, especially in the Christian church, emphasizing unity and cooperation among different denominations or sects

“The oecumenian movement aimed to bring together various Christian denominations in a spirit of mutual respect and understanding.”

2. noun

a member or adherent of an oecumenian movement or organization

“The oecumenian community in the city played a significant role in promoting interfaith dialogue and cooperation.”