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Witness Stand from WikiPedia:

A witness box is part of a court room. It is the section of the room set aside for witnesses to stand or sit in while giving their testimony or presenting evidence. In U.S. English, it is known as the witness stand or merely the stand.

Historically, witness boxes have been elevated well above floor level (although below the height of the Bench, where the judge sits. Before the Separation of church and state, trials were sometimes held in churches.[citation needed] In such cases, the witness stood at the pulpit behind the bar.

In modern courtrooms, witness boxes tend to be only slightly elevated.

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