exedra [ˈɛksɪdrə, ɪkˈsiːdrə, ɛk-] (pl. exedrae -driː)
(Architecture)a room, portico, or arcade with a bench or seats where people may converse, especially in ancient Roman and Greek houses and gymnasia (建筑)(尤指古罗马和希腊的剧场和练身房中的)带座凹室 ■an outdoor recess containing a seat 带座凹室