The amphitheatrum or colosseum in ancient Rome was a grand structure used for gladiatorial contests and other exhibitions. Synonyms for this iconic landmark include arena, stadium, amphitheater, and forum. While coliseum specifically refers to structures built in ancient Rome, the word arena is more commonly used to describe modern-day sports and concert venues. Amphitheater is another term used to describe an oval-shaped venue with tiers of seating, often used for theatrical performances. Stadia is a Greek word for a running track, but has come to be synonymous with modern sports venues. Forum refers to a public meeting place or marketplace where people would gather.