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7 definitions found
 for arena
From The Collaborative International Dictionary of English v.0.48 :

  Arena \A*re"na\, n.; pl. E. Arenas; L. Aren[ae]. [L. arena,
     harena, sand, a sandy place.]
     1. (Rom. Antiq.) The area in the central part of an
        amphitheater, in which the gladiators fought and other
        shows were exhibited; -- so called because it was covered
        with sand.
        [1913 Webster]
  
     2. Any place of public contest or exertion; any sphere of
        action; as, the arenaof debate; the arena of life.
        [1913 Webster]
  
     3. (Med.) "Sand" or "gravel" in the kidneys.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  arena
      n 1: a particular environment or walk of life; "his social
           sphere is limited"; "it was a closed area of employment";
           "he's out of my orbit" [syn: sphere, domain, area,
           orbit, field, arena]
      2: the central area of an ancient Roman amphitheater where
         contests and spectacles were held; especially an area that
         was strewn with sand
      3: a large structure for open-air sports or entertainments [syn:
         stadium, bowl, arena, sports stadium]
      4: a playing field where sports events take place [syn: arena,
         scene of action]

From Moby Thesaurus II by Grady Ward, 1.0 :

  98 Moby Thesaurus words for "arena":
     academic discipline, academic specialty, ambit, amphitheater,
     applied science, area, art, assembly hall, auditorium, back,
     backdrop, background, bailiwick, beat, border, borderland, chapel,
     cincture, circle, circuit, circus, close, concern, concert hall,
     confine, container, convention hall, coop, court, courtyard,
     curtilage, dance hall, delimited field, demesne, department,
     department of knowledge, discipline, distance, domain, dominion,
     enclave, enclosure, exhibition hall, field, field of inquiry,
     field of study, fold, gallery, ground, hall, hemisphere,
     hinterland, judicial circuit, jurisdiction, lecture hall, list,
     locale, march, meetinghouse, mise-en-scene, music hall,
     natural science, ology, opera house, orb, orbit, pale, paling,
     park, pen, precinct, province, pure science, quad, quadrangle,
     realm, rear, ring, round, scene, science, setting, social science,
     specialty, sphere, square, stadium, stage, stage set,
     stage setting, study, technicology, technics, technology, theater,
     toft, walk, yard
  
  

From The Jargon File (version 4.4.7, 29 Dec 2003) :

  arena
   n.
  
      [common; Unix] The area of memory attached to a process by brk(2) and sbrk
      (2) and used by malloc(3) as dynamic storage. So named from a malloc:
      corrupt arena message emitted when some early versions detected an
      impossible value in the free block list. See overrun screw, aliasing bug
      , memory leak, memory smash, smash the stack.
  

From The Free On-line Dictionary of Computing (18 March 2015) :

  arena
  
      The area of memory attached to a Unix process
     by the brk and sbrk system calls and used by malloc as
     dynamic storage.  So named from a "malloc: corrupt arena"
     message emitted when some early versions detected an
     impossible value in the free block list.
  
     See overrun screw, aliasing bug, memory leak, memory
     smash, smash the stack.
  
     [{Jargon File]
  
     (1995-12-28)
  

From The Devil's Dictionary (1881-1906) :

  ARENA, n.  In politics, an imaginary rat-pit in which the statesman
  wrestles with his record.
  

From U.S. Gazetteer Places (2000) :

  Arena, WI -- U.S. village in Wisconsin
     Population (2000):    685
     Housing Units (2000): 269
     Land area (2000):     1.089850 sq. miles (2.822699 sq. km)
     Water area (2000):    0.004581 sq. miles (0.011865 sq. km)
     Total area (2000):    1.094431 sq. miles (2.834564 sq. km)
     FIPS code:            02550
     Located within:       Wisconsin (WI), FIPS 55
     Location:             43.166108 N, 89.907305 W
     ZIP Codes (1990):     53503
     Note: some ZIP codes may be omitted esp. for suburbs.
     Headwords:
      Arena, WI
      Arena
  

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