[ trahy-fawr-ee-uh m, -fohr- ]
/ traɪˈfɔr i əm, -ˈfoʊr- /

noun, plural tri·fo·ri·a [trahy-fawr-ee-uh, -fohr-] /traɪˈfɔr i ə, -ˈfoʊr-/. Architecture.

(in a church) the wall at the side of the nave, choir, or transept, corresponding to the space between the vaulting or ceiling and the roof of an aisle, often having a blind arcade or an opening in a gallery.

Origin of triforium

1695–1705; < Anglo-Latin, special use of Medieval Latin triforium kind of gallery, literally, something with three openings, equivalent to Latin tri- tri- + for(is) opening, door + -ium -ium


tri·fo·ri·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for triforium

British Dictionary definitions for triforium

/ (traɪˈfɔːrɪəm) /

noun plural -ria (-rɪə)

an arcade above the arches of the nave, choir, or transept of a church

Derived forms of triforium

triforial, adjective

Word Origin for triforium

C18: from Anglo-Latin, apparently from Latin tri- + foris a doorway; referring to the fact that each bay characteristically had three openings
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