Толковый словарь английского языка - amphitheater

noun Etymology: Latin amphitheatrum, from Greek amphitheatron, from amphi+ theatron theater Date: 14th century an oval or circular building with rising tiers of seats ranged about an open space and used in ancient Rome especially for contests and spectacles, 2. a very large auditorium, a room with a gallery from which doctors and students may observe surgical operations, a rising gallery in a modern theater, a flat or gently sloping area surrounded by abrupt slopes, a place of public entertainment (as for games or concerts), amphitheatric or amphitheatrical adjective amphitheatrically adverb