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[trij-oo-uh m, trid-yoo-] /ˈtrɪdʒ u əm, ˈtrɪd yu-/
noun, Roman Catholic Church.
a series of special religious observances over a three-day period, in preparation for a great feast.
Origin of triduum
1880-85; < Latin trīduum period of three days, equivalent to trī- tri- + -duum < *diwom, akin to diēs day (long i perhaps after postrīdiē on the following day) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Historical Examples
  • Without a procession, however, the triduum of the great Pope of the Crusades was a great success in 1882.

    France and the Republic William Henry Hurlbert
British Dictionary definitions for triduum


/ˈtrɪdjʊəm; ˈtraɪ-/
(RC Church) a period of three days for prayer before a feast
Word Origin
C19: Latin, perhaps from triduum spatium a space of three days
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
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