arena

[ US /ɝˈinə/ ]
[ UK /ɐɹˈiːnɐ/ ]

NOUN

a large structure for open-air sports or entertainments
the central area of an ancient Roman amphitheater where contests and spectacles were held; especially an area that was strewn with sand
a playing field where sports events take place
a particular environment or walk of life
it was a closed area of employment
his social sphere is limited
he's out of my orbit

How To Use arena In A Sentence

His entry into the takeaway arena was somewhat fortuitous. Times, Sunday Times
The result is a species of amphitheatric arena, in which any of the dramatic exhibitions, that are so pleasing to this spectacle-loving nation, may be enacted. Recollections of Europe
The run is a 825-metre stampede from the corral where the bulls are kept to the outdoor bullfighting arena where they will be invariably killed by matadors later in the day.
No mean feat when you consider the total area of the arena covers more than five football pitches. Times, Sunday Times
He left the arena to loud applause.
But in the context of the American culture wars in the political arena, it's an entirely apt and appropriate choice.
The critical step is for clinicians to be willing to enter the arena and to participate.
Thus, arguments for participatory democracy focus on the inactivity of the large majority of the people in the political arena today.
Along with this, the arena's main concourse is narrow and crammed with useless kiosks selling everything from caramel apples to nachos to kettle corn, making the walk to the one smoking area something of a slow death march for the nicotine needy. From the Floor: A Happy Slab of Sandwich Meat
We should look to the glory and splendor of the arena … Where even the most untalented one-hit-wonder will be able to regain a sliver of dignity before their untimely demise. 2010 February « The Graveyard