The word arena originally meant "place of combat," and it's sometimes still used this way. Its root is harena, a kind of sand that was supposedly used on the floor during ancient Roman battles to soak up spilled blood.

countable noun. An arena is a place where sports, entertainments, and other public events take place. It has seats around it where people sit and watch.

Overview. The most popular team sports in the United States are American football, baseball, basketball, ice hockey, and soccer.

From being a sport that started as a children's game and a game played with feet, to becoming an Olympic sport, badminton certainly deserves the title of the second most popular sport worldwide.