purge

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To free from impurities; purify.
2. v. To remove (impurities and other elements) by or as if by cleansing.
3. v. To rid of sin, guilt, or defilement.
4. v. Law To clear (a person) of a charge or an imputation. Often used with respect to contempt of court.
5. v. To rid (a nation or political party, for example) of people considered undesirable.
6. v. To get rid of (people considered undesirable). See Synonyms at eliminate.
7. v. Medicine To cause evacuation of (the bowels).
8. v. Medicine To induce evacuation of the bowels in (an individual).
9. v. To become pure or clean.
10. v. Medicine To undergo or cause an emptying of the bowels.
11. n. The act or process of purging.
12. n. Something that purges, especially a medicinal purgative.

Century Dictionary and Cyclopedia

1. To cleanse or purify by separating and carrying off whatever is impure, heterogeneous, foreign, or superfluous; cleanse; clean, or clean out.
2. To remove by some cleansing or purifying process or operation; clear or wash away: often followed by away and off.
3. To clear from moral defilement or guilt: in this and next sense often followed by of or from.
4. To clear from accusation of a crime, as by ordeal, or from charge of contempt, as by oath showing that there was no wrong intent; free from taint or suspicion of crime.
5. To clarify; defecate, as liquors.
6. To operate on by or as by means of a cathartic.
7. To void.
8. To trim.
9. To become pure by clarification.
10. To take a purge; produce evacuations from the intestines by means of a cathartic.
11. To be cleansed or purified by the escape of certain gases, as a lake or river. See purging, 2.
12. n. The act of purging; purgation.
13. n. Anything that purges; specifically, a medicine that evacuates the intestines; a cathartic.
14. To vomit.
15. n. A plant of Virginia, probably Trinsteum perfoliatum, the root of which was used as a purgative by the aborigines.

Wiktionary

1. n. An act of purging
2. n. medicine An evacuation of the bowels or a vomiting.
3. n. A cleansing of pipes.
4. n. A forcible removal of people from political activity.
5. n. That which purges; especially, a medicine that evacuates the intestines; a cathartic.
6. v. transitive to clean thoroughly; to cleanse; to rid of impurities
7. v. transitive, religion to free from sin, guilt, or the burden or responsibility of misdeeds
8. v. transitive, medicine to void the bowels; to vomit.
9. v. transitive, law to clear of a charge, suspicion, or imputation

GNU Webster's 1913

1. v. To cleanse, clear, or purify by separating and carrying off whatever is impure, heterogeneous, foreign, or superfluous.
2. v. (Med.) To operate on as, or by means of, a cathartic medicine, or in a similar manner.
3. v. To clarify; to defecate, as liquors.
4. v. To clear of sediment, as a boiler, or of air, as a steam pipe, by driving off or permitting escape.
5. v. To clear from guilt, or from moral or ceremonial defilement.
6. v. (Law) To clear from accusation, or the charge of a crime or misdemeanor, as by oath or in ordeal.
7. v. To remove in cleansing; to deterge; to wash away; -- often followed by away.
8. v. To become pure, as by clarification.
9. v. To have or produce frequent evacuations from the intestines, as by means of a cathartic.
10. n. The act of purging.
11. n. That which purges; especially, a medicine that evacuates the intestines; a cathartic.

WordNet 3.0

1. v. clear of a charge
2. v. make pure or free from sin or guilt
3. v. excrete or evacuate (someone's bowels or body)
4. n. the act of clearing yourself (or another) from some stigma or charge
5. n. an act of removing by cleansing; ridding of sediment or other undesired elements
6. v. eject the contents of the stomach through the mouth
7. n. an abrupt or sudden removal of a person or group from an organization or place
8. v. oust politically
9. v. rid of impurities
10. v. rinse, clean, or empty with a liquid