Jury a. : For temporary use; -- applied to a temporary contrivance.

Jury a. : A body of men, usually twelve, selected according to law, impaneled and sworn to inquire into and try any matter of fact, and to render their true verdict according to the evidence legally adduced. See Grand jury under Grand, and Inquest.

Jury a. : A committee for determining relative merit or awarding prizes at an exhibition or competition; as, the art jury gave him the first prize.

Example:
What happens if a grand Jury decides not to try the case?

Taxonomy
jury, jurors, verdict, judge, law, prospective jurors, jury trial, evidence, crimes, defendant, power, United States, jurisdictions, grand juries, the accused, criminal cases, sentence, juries act.

Defination from the web:
... suggested that this article or section be merged into Jury trial. ( Discuss) A jury is a group of law-abiding members of a community ... The size of the jury varies; in criminal cases there are usually 12 jurors, although Scotland uses 15. In civil cases many trials require only six. ...