Webster’s Revised Unabridged Dictionary · 1913
Ecumenic
Ec′u·men′ic, Ec′u·men′ic·al, a. [L. oecumenicus, Gr. οἰκουμένη (sc. γῆ) the inhabited world, fr. οἰκεῖν to inhabit, from οἶκος house, dwelling. See Economy.] General; universal; in ecclesiastical usage, that which concerns the whole church; as, an ecumenical council. [Written also œcumenical.]
Ecumenical Bishop, a title assumed by the popes. — Ecumenical council. See under Council.