An oval or circular building with rising tiers of seats about an open space called the arena.

Anything resembling an amphitheater in form; as, a level surrounded by rising slopes or hills, or a rising gallery in a theater.

The circular structure characterized by rising tiers of stone seats contained within an arched stone outer wall that was used by Romans for circus performances and gladiatorial contest.

Outdoor facility with a flat performance area surrounded by rising rows of seats or a grassy slope allowing the audience to view the performance. The seating area is usually a semi-circular shape or adapted to the surrounding landscape.

A Roman structure with tiers of seats around an arena, forming a curving, normally freestanding shell, for example, the Colosseum, not to be confused with a Greek theater.

A circular or elliptical arena enclosed by rising tiers of stone seats around a central open area used by the Romans for circuses and gladiatorial contests. Ancient Greek amphitheaters were typically semi-circular and set into the hillside.

a sloping gallery with seats for spectators (as in an operating room or theater)

an oval large stadium with tiers of seats; an arena in which contests and spectacles are held

a freestanding building of round or, more often, oval shape with a central area, the arena, and seats placed concentrically around it

an open-air building with tiers of seats surrounding a central area, as in a sports stadium or an open-air auditorium

a semi-circular large, outdoor theater with seats rising in tiers from a central acting area

A structure whose seats form an ellipse or oval around an arena. Used to stage gladiatorial combats and other spectacles.

Any theater in the shape of an arc, with seating that gradually rises as it gets farther from the stage, creating excellent acoustics, usually outdoors.

oval or roughly circular arena surrounded by seating, in which wild animal or gladiatorial contests were held during the Roman Republic and Empire

A double Theater. A building of elliptical shape with tiers of seats rising one behind another about a central open space or arena.

n. An edifice of elliptical shape, constructed about a central open space or arena.

the design of classical Greek theaters, consisting of a stage area surrounded by a semicircle of tiered seats.

Round building with steps around it in which are various spectacles are performed.

From the Greek words 'amphi', on both sides, + 'theatron', the ancient Roman building type used for gladiatorial contests and other entertainments. One of the best preserved examples of this type is the Flavian amphitheater or 'Colosseum'; an enormous 525'x450' wedge shaped oval, four levels high, seating 50,000 people on raised tiers, each with a good view of the center of the theater.

A Roman style oval building with a stage surrounded by elevated tiers of seats for spectacles. Gk: theater on both sides.

literally, a theater "on both sides"; the Roman building in which public entertainment were held, consisting of an arena and tiered seating for spectators

Round or oval building with open space surrounded by rising rows of seats, which is often used for shows, lectures and other activities performed for an audience.