The trier of facts in a criminal case; those responsible for determining guilt or innocence.
The ordinary jury of twelve (sometimes six) citizens who serve at the trial of a civil or criminal action. The members of the petit jury are the judges of the facts and make factual determinations about what happened in the case. The petit jury should be distinguished from a grand jury.
The ordinary jury of twelve (or fewer) persons for the trial of a civil or criminal case. So called to distinguish it from the grand jury.