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Leo XIII

American  

noun

  1. Giovanni Vincenzo Pecci, 1810–1903, Italian ecclesiastic: pope 1878–1903.


Leo XIII British  

noun

  1. original name Gioacchino Pecci. 1810–1903, pope (1878–1903). His many important encyclicals include Rerum novarum (1891) on the need for Roman Catholics to take action on various social problems

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The Latinate reference deliberately invokes the transformative 1891 encyclical, “Rerum Novarum,” from his predecessor and namesake, Pope Leo XIII, which oriented the church toward the challenges of industrial society and its consequences.

From The Wall Street Journal Nov. 13, 2025

John Henry Newman was first made a cardinal in 1879 by Pope Leo XIII, a position he held for 11 years before his death.

From BBC Aug. 10, 2025

The speaker went on, quoting from Karl Marx about "masters and workmen" and the "spirit of revolutionary change" before clearing his throat to deliver another correction: Apologies, that was actually Pope Leo XIII.

From Salon Nov. 21, 2022

Provided Francis is still on the job by late October, he’ll become the oldest sitting pope since Leo XIII, who died in 1903 at age 93.

From Washington Post Jun. 7, 2022

The news of the death of Leo XIII, on July 20, 1903, came as a blow to the whole Catholic world.

From Pope Pius the Tenth by Forbes, F. A. (Frances Alice)

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