请问英文中的tribunal具体是什么意思？

简明英汉词典
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tribunal
[tri5bju:nl, trai-]
n.
法官席, 审判员席, (特等)法庭

美国传统词典[双解]
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tribunal
tri.bu.nal
AHD:[tro-by?“n…l, tr1-]
D.J.[trai6bju8n*l, tri-]
K.K.[tra!6bjun*l, tr!-]
n.（名词）
(1)
Law
【法律】
(2)
A seat or court of justice.
法院，法庭：法官席，审判员席
(3)
The bench on which a judge or other presiding officer sits in court.
法官或其他执行审判任务者在法庭坐的长凳
(4)
A committee or board appointed to adjudicate in a particular matter.
审理委员会：被委托在某一特定事件中进行裁定的委员会或集体主义
(5)
Something that has the power to determine or judge:
裁决，公断：有权利决定或判断的事物：
the tribunal of public opinion.
舆论的公断

语源
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