Definition of purges:
(v) :
(transitive) To clean thoroughly; to rid of impurities; to cleanse.
(v) :
(transitive) To remove by cleansing; to wash away.
(v) :
(transitive) To free from sin, guilt, or burden.
(v) :
(transitive, intransitive, medicine) To evacuate (the bowels or the stomach); to defecate or vomit.
(v) :
(transitive) To forcibly remove, for example, from political activity.
(v) :
(transitive) To forcibly remove people by an organization.