Triforium
//tɹaɪ̯ˈfɔːɹɪəm// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 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.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.