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 (ăm′fə-thē′ə-tər, ăm′pə-)
1. An oval or circular structure having tiers of seats rising gradually outward from a central open space or arena.
2. Geology A level area surrounded by upward sloping ground.
3. An upper, sloping gallery with seats for spectators, as in a theater or operating room.

[Middle English amphitheatre, from Latin amphitheātrum, from Greek amphitheātron : amphi-, amphi- + theātron, theater; see theater.]

am′phi·the·at′ric (-ăt′rĭk), am′phi·the·at′ri·cal adj.
am′phi·the·at′ri·cal·ly adv.
References in periodicals archive ?
The transformation of worship space into amphitheatrically space served the goal of reaching a large audience in such a way that everyone could see the performance taking place on stage.
Battir's traditional irrigation system adopted today has been incessantly used by the same peoples of Battir for centuries presumably down to the Roman times where rock-hewn canals are still noticeable and can obviously be traced in the amphitheatrically built field terracesknown locally in Arabic as "Jinan" that means small lovely gardens.
Amphitheatrically built around a major port, this gateway city to the West is renowned for its carnival.