Source : Webster's Revised Unabridged Dictionary (1913)

Gaol \Gaol\, n. [See {Jail}.]
   A place of confinement, especially for minor offenses or
   provisional imprisonment; a jail. [Preferably, and in the
   United States usually, written {jail}.]

   {Commission of general gaol delivery}, an authority conferred
      upon judges and others included in it, for trying and
      delivering every prisoner in jail when the judges, upon
      their circuit, arrive at the place for holding court, and
      for discharging any whom the grand jury fail to indict.
      [Eng.]

   {Gaol delivery}. (Law) See {Jail delivery}, under {Jail}.