ecumenical council
- n (early Christian church) one of seven gatherings of bishops from around the known world under the presidency of the Pope to regulate matters of faith and morals and discipline
ecumenical movement
- n a movement aimed to promote understanding and cooperation among Christian churches; aimed ultimately at universal Christian unity
ecumenicalism
- n (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity