The term 'ARCHED GALLERY' can be broken down into two words: 'ARCHED' and 'GALLERY'. An ARCHED GALLERY is a type of architectural structure that features a series of arches, usually made of stone or brick, which form a covered walkway or corridor. This type of structure was popular in the Middle Ages and Renaissance periods, and can still be found in many churches, castles, and other historic buildings. The word 'ARCADE', with 6 letters, is another term for an ARCHED GALLERY.