- a round or oval building with an open space (arena) surrounded by rising rows of seats
- a scene of conflict, competition, etc.; arena
- a sloping gallery in a theater
- a lecture hall with a sloping gallery, esp. one for observing surgical procedures in a medical school or hospital
- a level place surrounded by rising ground
Origin of amphitheaterClassical Latin amphitheatrum ; from Classical Greek amphitheatron: see amphi- and amp; theater
- An oval or circular structure having tiers of seats rising gradually outward from a central open space or arena.
- Geology A level area surrounded by upward sloping ground.
- An upper, sloping gallery with seats for spectators, as in a theater or operating room.
Origin of amphitheaterMiddle English amphitheatre, from Latin amphitheatrum, from Greek amphitheatron : amphi-, amphi- + theatron, theater; see theater.
- am′phi·the·at′ric , am′phi·the·at′ri·cal