colosseum

/ˌkɑləˈsiːəm/
noun
  1. A large ancient amphitheater in Rome, Italy, used for gladiator contests and public spectacles.
    • The Colosseum could hold up to 50,000 spectators in its heyday.
    • Tourists from all over visit the Colosseum to learn about ancient Roman history.
    • The Colosseum is one of the most famous landmarks in the world.
  2. Any large stadium or amphitheater used for entertainment or sports.
    • Fans filled the colosseum to watch the championship game.
    • The new colosseum has a retractable roof and state-of-the-art sound system.
    • The city built a modern colosseum for concerts and sporting events.
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