any prohibitory act or decree of a court or an administrative officer.
a punishment by which the faithful, remaining in communion with the church, are forbidden certain sacraments and prohibited from participation in certain sacred acts.
a general or special order of the Roman praetor forbidding or commanding an act, esp. in cases involving disputed possession.
—v.t.
to forbid; prohibit.
to cut off authoritatively from certain ecclesiastical functions and privileges.
to impede by steady bombardment: Constant air attacks interdicted the enemy's advance.