trid·​u·​um ˈtri-jə-wəm How to pronounce triduum (audio)
: a period of three days of prayer usually preceding a Roman Catholic feast

Examples of triduum in a Sentence

Recent Examples on the Web Saint Paschal Baylon Roman Catholic Church will hold a triduum July 31 - August 2 in honor of Saint Peter Julian Eymard. Maria Shine Stewart,, 21 July 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'triduum.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Latin, space of three days, from tri- + -duum (akin to dies day) — more at deity

First Known Use

1873, in the meaning defined above

Time Traveler
The first known use of triduum was in 1873

Dictionary Entries Near triduum

Cite this Entry

“Triduum.” Dictionary, Merriam-Webster, Accessed 13 Jun. 2024.

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