amphitheatre

Meaning

1. A natural formation of a similar shape, where a steep mountain or slope or particular rock formation forms a partial or complete bowl, especially one used as a performance space (and possibly modified by carving out seats, etc) because the slopes naturally amplify or echo sound.
2. An open, outdoor theatre (which may be a theatre in the round, or have a stage with seating on only one side), especially one from the classical period of ancient Greece or Rome, or a modern venue of similar design.

Etymology / origin

From Latin amphitheatrum, from Ancient Greek ἀμφιθέατρον (amphithéatron) from ἀμφί (amphí, “on both sides”) + θέᾱτρον (théātron, “theatre”).

Sources

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