coliseum
n. countable B2 Upper Intermediate US //ˌkɑɫəˈsiəm// UK //kˌɒləsˈiːəm// col·i·se·um
n. a very large building used for sports, concerts, or other public shows. It is often shaped like a circle or an oval with seats all around the center.
n. a large theater, amphitheater, or stadium designed for public spectacles and sporting events. When capitalized, it refers specifically to the Flavian Amphitheatre in Rome.
The band is playing at the local coliseum tonight.
Thousands of fans gathered at the coliseum to watch the championship game under the bright lights.
The city's new coliseum features a retractable roof and state-of-the-art acoustics, allowing it to host both massive athletic competitions and intimate musical performances.
Usage
Often used as a proper noun (Coliseum) when referring to the specific historical landmark in Rome.