A Purging

1. The act or an instance of eliminating contamination: a purification, a cleansing, particularly:
   1. (chiefly politics) A removal of undesirable people.
   2. (chiefly chemistry) The cleansing of a device by flushing it with water, steam, or some other liquid or gas.
2. The removal of waste from the human body, particularly:
   1. (premodern medicine) The removal of excess humors through bloodletting, induced vomitting, etc.
   2. (medicine) The removal of digested waste: defecation; defecation induced by laxatives.
3. (chiefly medicine) Vomiting; vomiting induced by purgatives.
4. (obsolete and rare) That which is purged: contamination, a contaminant; refuse; sin; etc.
5. (obsolete and rare) Synonym of purgation: the act or an instance of removing guilt or suspicion of a misdeed.

Synonyms

• (removal of undesirables): purge; witchhunt
• (defecation): defecation
• (vomiting): vomiting and regurgitate
• (thing purged): blood, sin, vomit, and feces