verb transitiveWord forms: ˈexorˌcised or ˈexorˌcized, ˈexorˌcising or ˈexorˌcizing
to adjure (such a spirit or spirits)
to free from such a spirit or spirits
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'exorcise'ME exorcisen < LL(Ec) exorcizare < Gr exorkizein, to swear a person (in N.T., to banish an evil spirit) < ex-, out + horkizein, to make one swear < horkos, an oath, akin to horkanē, enclosure, herkos, fence, prob. < IE base *ser-, wickerwork > L sarcire, to patch