Final answer:
The word 'reconstructed' means 'put back together' in this sentence. When parts of the Colosseum in Rome, Italy, were reconstructed, it means that they were taken apart and then put back together to help maintain the structure.
Step-by-step explanation:
The word reconstructed means put back together in this sentence. When parts of the Colosseum in Rome, Italy, were reconstructed, it means that they were taken apart and then put back together to help maintain the structure. This could involve repairing, rebuilding, or restoring certain parts of the Colosseum.