Ex·or·cise v. t. [imp. & p. p. Exorcised p. pr. & vb. n. Exorcising ]
  1. To cast out, as a devil, evil spirits, etc., by conjuration or summoning by a holy name, or by certain ceremonies; to expel (a demon) or to conjure (a demon) to depart out of a person possessed by one.
     He impudently excorciseth devils in the church.   --Prynne.
  2. To deliver or purify from the influence of an evil spirit or demon.
     Exorcise the beds and cross the walls.   --Dryden.
     Mr. Spectator . . . do all you can to exorcise crowds who are . . . processed as I am.   --Spectator.
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