Ex"or*cise (&ebreve;ks"&obreve;r*sīz), v. t. [imp. & p. p. Exorcised (- sīzd); p. pr. & vb. n. Exorcising (- sī`z&ibreve;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.

2. To deliver or purify from the influence of an evil spirit or demon.

Exorcise the beds and cross the walls.

Mr. Spectator . . . do all you can to exorcise crowds who are . . . processed as I am.

• ro drive out a supposed evil spirits from a place, person or thing, especially by an incantation or prayer