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arena    音标拼音: [ɚ'inə]
n. 活动场所,竞技场所

活动场所,竞技场所

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" [synonym: {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 [synonym:
{stadium}, {bowl}, {arena}, {sports stadium}]
4: a playing field where sports events take place [synonym: {arena},
{scene of action}]

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]

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

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)

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.

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