are·na 
/əˈri:nə/ noun
plural are·nas /əˈri:nə/ noun [count] 1 : a building for sports and other forms of entertainment that has a large central area surrounded by seats
▪ a basketball/hockey arena 2 : an area of activity, interest, or competition
▪ Congress became an arena of opposing views. ▪ the toughest political arena in the world ▪ The economic arena has been dominated by that country.
▪ a basketball/hockey arena
▪ Congress became an arena of opposing views. ▪ the toughest political arena in the world ▪ The economic arena has been dominated by that country.
