General; universal; in ecclesiastical usage, that which concerns the whole church; as, an ecumenical council.

From a Greek word meaning worldwide. Any movement which attempts to bring together various denominations or traditions within a single religion. The term is used most commonly to refer to Christian intra-denominational efforts.

An adjective meaning "universal", derived from the Greek word oikoumene, "the inhabited world" or "the whole world". (Lynch, Joseph H. The Medieval Church: A Brief History, 362)

This is a word used to describe the reunion, for the purposes of working together in harmony, of the various divided and separated church groups within Christianity.

This means that Habitat strives for unity across denominational and ideological lines.

A word used to describe worship services or programs of action or service that are supported co-operatively by various churches or denominations within the Christian Church.

concerned with promoting unity among churches or religions; "ecumenical thinking"; "ecumenical activities"; "the ecumenical movement"

of worldwide scope or applicability; "an issue of cosmopolitan import"; "the shrewdest political and ecumenical comment of our time"- Christopher Morley; "universal experience"

Belonging to or accepted by the Christian church throughout the world

("worldwide") referring to an action or structure broader than the local church or denomination, ordinarily referring to Christian groups

involving different branches of the Church working together

Latin oecumenicus, Greek oikoumenikos, of or from the whole world; general or universal; concerning the Christian church as a whole; furthering the unity of Christian churches. Ecuminism is the practice or principles of promoting cooperation or better understanding among differing religious faiths; ecumenical movement among Christian churches.