Catholic Culture Solidarity
Catholic Culture Solidarity

Catholic Dictionary

Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

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More commonly motu proprio. Something done on one's own initiative or by one's own will. Said especially of certain papal documents written on the Pope's own authority, often to meet a special and urgent need in the Church.