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Catholic Dictionary




In Christian parlance the most sacred expression for any one of different forms of togetherness. As communion between God and the human soul in the divine indwelling; between Christ and the recipient of the Eucharist in Holy Communion; among all who belong to the Mystical Body in heaven, purgatory, and on earth in the Communion of Saints; and among those who belong to the Catholic Church as a communion of the faithful. (Etym. Latin communio, sharing unity, association; participation.)