Exedra
Exedra (eks"e*drȧ) , noun
[Latin, from Gr 'exe`dra; 'ex out + "e`dra seat.]
1.
(Class. Antiquities) A room in a public building, furnished with seats.
2.
(a) (Architecture) The projection of any part of a building in a rounded form.
(b)
(Architecture) Any out-of-door seat in stone, large enough for several persons; esp., one of curved form.