(tr) to expel or attempt to expel (one or more evil spirits) from (a person or place believed to be possessed or haunted), by prayers, adjurations, and religious rites
[C15: from Late Latin exorcizāre, from Greek exorkizein, from ex-1 + horkizein to adjure]
exorciseorexorcise
—vb
[C15: from Late Latin exorcizāre, from Greek exorkizein, from ex-1 + horkizein to adjure]
c.1400, "to invoke spirits," from O.Fr. exorciser, from L.L. exorcizare, from Gk. exorkizein "exorcise, bind by oath" (see exorcism). Sense of "calling up evil spirits to drive them out" became diminant 16c. Related: Exorcised; exorcising.