Are you asking about the word SUBPOENA? Or are you asking about telling a witness to, "take the stand" in order to testify?
Witness
They're allowed to cross-examine him. The witness is called to the stand - and gives their account of what they saw. The opposing counsel then has the chance to question the witness - in an attempt to disprove their evidence.
Witness Sometimes they are hostile witnesses.
An Eye Witness
Heresay
An expert witness is someone that testifies according to their knowledge on a subject that pertains to the evidence given. Their expertise is needed to identify, test, and explain the evidence and how it is useful in proving information for either the innocence or guilt of a suspect. Examples of this would be trace evidence, DNA evidence, fingerprint analysis or ballistics. A lay witness, however, is a person that gives testimony based on direct knowledge of the person or crime. A lay witness does not testify based on any education. There is something called an expert lay witness, that could testify based on experience of something pertaining to the case.
He is challenging the "admissability" of the evidence (i.e.- he is saying that it is "nadmissable").
It depends on the court. Sometimes a baliff, sometimes the judge, sometimes the attorney who called the witness.
The third witness in Alice in Wonderland is the Dormouse. During the trial scene in the story, the Dormouse gives its testimony while sleeping, causing confusion and chaos in the courtroom.
A "Witness" is a person called to the stand, and who upon oath gives testimony before the court in some case.Added: Or - an "observer" who saw a certain act or circumstance - or - a verifier of a signature on a doucment (i.e.: will - contract - notary).
A halo
Supporting evidence