\Ex"or*cise\ ([e^]ks"[o^]r*s[imac]z), v. t. [imp. & p.
p. {Exorcised} (-s[imac]zd); p. pr. & vb. n. {Exorcising}
(-s[imac]`z[i^]ng).] [L. exorcizare, Gr. 'exorki`zein; 'ex
out + "orki`zein to make one swear, bind by an oath, fr.
"o`rkos oath: cf. F. exorciser.]
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.