1. Having a mix of diverse elements.
2. Universal; general.
3. Pertaining to the whole Christian church; concerned with promoting unity among churches or religions.
From Latin oecumenicus (general, universal), from Greek oikoumenikos, from oikein (to inhabit), from oikos (house). Ultimately from the Indo-European root weik- (clan) that is also the forebear of vicinity, village, villa, and villain (originally, a villain was a farm servant, one who lived in a villa or a country house).
USAGE: "An ecumenical group of Cincinnati area leaders called for an end Wednesday to the Israeli-Palestinian conflict on the Gaza Strip."Rebecca Goodman; Area Groups Call For End to Gaza Conflict; Cincinnati Enquirer; Dec 31, 2008.