Source : Webster's Revised Unabridged Dictionary (1913)

Prohibition \Pro`hi*bi"tion\, n. [L. prohibitio: cf. F.
   prohibition.]
   1. The act of prohibiting; a declaration or injunction
      forbidding some action; interdict.

            The law of God, in the ten commandments, consists
            mostly of prohibitions.               --Tillotson.

   2. Specifically, the forbidding by law of the sale of
      alcoholic liquors as beverages.

   {Writ of prohibition} (Law), a writ issued by a superior
      tribunal, directed to an inferior court, commanding the
      latter to cease from the prosecution of a suit depending
      before it. --Blackstone.

   Note: By ellipsis, prohibition is used for the writ itself.

Source : WordNet®

writ of prohibition
     n : a judicial writ from a higher court ordering a lower court
         not to exercise jurisdiction in a particular case