Definition of grand jury in English:

grand jury

noun

Law
  • A jury, normally of twenty-three jurors, selected to examine the validity of an accusation before trial.

    • ‘He was indicted by a federal grand jury on illegal gun possession charges.’
    • ‘Four grand juries examined the case without returning an indictment.’
    • ‘A federal judge officially convenes both types of grand juries, though a prosecutor (someone from a U.S. Attorney's office) actually conducts the proceedings.’
    • ‘There was talk of empaneling a grand jury to go over some of that evidence.’
    • ‘After he turned down the plea bargain, a grand jury indicted Webb on fourth degree criminal contempt.’