[ 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 Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for triduum

  • 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 for triduum

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