exedra
Ex"e*dra, n.; pl. Exedræ. Etym: [L., fr.Gr 1. (Class. Antiq.) Defn: A room in a public building, furnished with seats. 2. (Arch.) (a) The projection of any part of a building in a rounded form. (b) Any out-of-door seat in stone, large enough for several persons; esp., one of curved form.