Petit Jury

jury made up of fewer members than a regular jury

For "jury" meaning "makeshift", see jury rig. A jury is a sworn body of persons convened to render a rational, impartial verdict and a finding of fact on a legal question officially submitted to them, or to set a penalty or judgment in a jury trial of a court of law. The word "jury" originates in Latin, from "juris"-law. In French, it became "juri" a law body.
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Noun
1. a jury of 12 to determine the facts and decide the issue in civil or criminal proceedings
(synonym) petty jury
(hypernym) jury
(member-meronym) petit juror, petty juror
(classification) law, jurisprudence

The ordinary trial jury of twelve persons whose duty it is to find facts as opposed to the grand jury whose duty it is to return an indictment. A group of citizens who hear the evidence presented by both sides at trial and determine the facts in dispute. Federal criminal juries consist of 12 persons. Federal civil juries consist of six persons.