triduum

noun trid·u·um \ˈtri-jə-wəm, ˈtri-dyə-\

Definition of TRIDUUM

: a period of three days of prayer usually preceding a Roman Catholic feast

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

First Known Use: 1873

Next Word in the Dictionary: tridymitePrevious Word in the Dictionary: triduoAll Words Near: triduum

What made you want to look up triduum? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears