oriel
/ˈɔːrɪəl/noun
1- a large polygonal recess in a building, typically built out from an upper storey and supported from the ground or on corbels（建筑物的）凸出壁外部分。
1.1
- （亦作oriel window）a window in such a structure凸窗。
1.2
- a projecting window of an upper storey凸肚窗。
词源
late Middle English: from Old French oriol 'gallery', of unknown origin; compare with medieval Latin oriolum 'upper chamber'.