1
: an area in a Roman amphitheater for gladiatorial combats
2
a
: an enclosed area used for public entertainment
b
: a building containing an arena
3
a
: a sphere of interest, activity, or competition
the political arena
b
: a place or situation for controversy
in the public arena
Examples of arena in a Sentence
Congress became an arena of opposing views.
the toughest political arena in the world
The economic arena has been dominated by that country.
Recent Examples on the Web
But several teams in the NBA, including the Lakers, share their arena with hockey teams and none have a court that drops off like Cleveland’s.
—
Los Angeles Times, 29 Jan. 2026
The future of the Mavericks Owner Patrick Dumont’s priority is to build a new arena/entertainment complex in downtown Dallas with the Mavericks as the anchor.
—Fort Worth Star-Telegram, 29 Jan. 2026
In addition to in-arena advertising, fans can expect a steady stream of social content starring UConn student-athletes and in-person activations with product giveaways and halftime half-court shots out of this partnership.
—Kaleigh Werner, Footwear News, 29 Jan. 2026
But try extending that same indulgence to Olympic podiums and the Nobel Banquet Hall — in those arenas, the margins are razor-thin, and mastery demands long marination.
—Rachel Barr, Big Think, 29 Jan. 2026
See All Example Sentences for arena
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Los Angeles Times, 29 Jan. 2026
The future of the Mavericks Owner Patrick Dumont’s priority is to build a new arena/entertainment complex in downtown Dallas with the Mavericks as the anchor.
—Fort Worth Star-Telegram, 29 Jan. 2026
In addition to in-arena advertising, fans can expect a steady stream of social content starring UConn student-athletes and in-person activations with product giveaways and halftime half-court shots out of this partnership.
—Kaleigh Werner, Footwear News, 29 Jan. 2026
But try extending that same indulgence to Olympic podiums and the Nobel Banquet Hall — in those arenas, the margins are razor-thin, and mastery demands long marination.
—Rachel Barr, Big Think, 29 Jan. 2026
See All Example Sentences for arena
Cite this Entry
“Arena.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arena. Accessed 30 Jan. 2026.
Copy CitationKids Definition
arena
noun
are·na
ə-ˈrē-nə 
1
: an enclosed area used for public entertainment
2
: a building containing an arena
3
: a field of activity
the political arena
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