# triforium

> English word · Noun · IPA /tɹaɪ̯ˈfɔːɹɪəm/

## Definitions
1. The gallery of arches above the side-aisle vaulting in the nave of a church.

## Etymology
From Medieval Latin triforium, from tria (“three”) + for (“opening”) + -ium.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/triforium