noun (plural triforia) Etymology: Medieval Latin Date: 1703 a gallery forming an upper story to the aisle of a church and typically an arcaded story between the nave arches and clerestory
TRIFORIUM
Meaning of TRIFORIUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012