资料来源 : pyDict

活动场所,竞技场所

资料来源 : Webster's Revised Unabridged Dictionary (1913)

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.

   2. Any place of public contest or exertion; any sphere of
      action; as, the arenaof debate; the arena of life.

   3. (Med.) ``Sand'' or ``gravel'' in the kidneys.

资料来源 : WordNet®

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}]
     2: the central area of an ancient Roman amphitheater where
        contests and spectacles were held; especially a
        sand-strewn area
     3: a large structure for open-air sports or entertainments
        [syn: {stadium}, {bowl}, {sports stadium}]
     4: a playing field where sports events take place [syn: {scene
        of action}]

资料来源 : Free On-Line Dictionary of Computing

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)