EXEDRA Meaning of EXEDRA in English [ 'ɛksɪdrə , ɪk'si:drə , ɛk- ]■ noun ( plural ~e -dri: ) Architecture a room, portico, or arcade with seats where people may converse.OriginL., from Gk ex- 'out of' + hedra 'seat'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004