triforium [trahy-fawr-ee-uh m, -fohr-] EXAMPLES|WORD ORIGIN 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-+ for(is) opening, + -ium Related formstri·fo·ri·al, adjective Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for triforium Historical Examples of triforium
It had no triforium, and the clerestory windows are rather large.
The windows of the triforium are large and divided into four compartments.
“I’d get up on to that passage and fix it,” nodding to the triforium.
There is no triforium, its place being occupied with panelling.
There are also some in the south-east chapel of the triforium of the choir.
H. J. L. J. Mass
British Dictionary definitions for triforium triforium noun plural -ria (-rɪə) an arcade above the arches of the nave, choir, or transept of a church Derived Formstriforial, adjectiveWord 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