Petit

a.
  1. Small; little; insignificant; mean; -- Same as Petty.
  2. Petit constable ,
    an inferior civil officer, subordinate to the high constable.
    Petit jury ,
    a jury of twelve men, impaneled to try causes at the bar of a court; -- so called in distinction from the grand jury.
    Petit larceny ,
    the stealing of goods of, or under, a certain specified small value; -- opposed to grand larceny. The distinction is abolished in England.
    Petit maître ().
    A fop; a coxcomb; a ladies' man.
    Petit serjeanty (Eng. Law),
    the tenure of lands of the crown, by the service of rendering annually some implement of war, as a bow, an arrow, a sword, a flag, etc.
    Petit treason ,
    formerly, in England, the crime of killing a person to whom the offender owed duty or subjection, as one's husband, master, mistress, etc. The crime is now not distinguished from murder.