Source : Webster's Revised Unabridged Dictionary (1913)

Interdiction \In`ter*dic"tion\, n. [L. interdictio: cf. F.
   interdiction.]
   The act of interdicting; prohibition; prohibiting decree;
   curse; interdict.

         The truest issue of thy throne By his own interdiction
         stands accurst.                          --Shak.

Source : WordNet®

interdiction
     n 1: authoritative prohibition
     2: a court order prohibiting a party from doing a certain
        activity [syn: {interdict}]