purge

To clean thoroughly; to rid of impurities; to cleanse.

After the process, the machine purges the chamber before venting it to remove toxic gases.

To remove by cleansing; to wash away.

To free from sin, guilt, or burden.

Purge away our sins, for thy name’s sake.

We'll join our cares to purge away / Our country’s crimes.

To evacuate (the bowels or the stomach); to defecate or vomit.

To cause someone to purge; to operate (on somebody) using a cathartic or emetic, or in a similar manner.

"What did they die of?” I asked. / "Fevers. The doctor came and bled them and purged them, but they still died." / "He bled and purged babies?" / "They were two and three. He said it would break the fever. And it did. But they … they died anyway."

An act or instance of purging.

An evacuation of the bowels or the stomach; a defecation or vomiting.

Something which or someone who purges; especially, a medicine that evacuates the intestines; a cathartic.

he prescribes a Purge or a Vomit

A forcible removal of people, for example, from political activity.

Stalin liked to ensure that his purges were irreversible.

One of the few surviving Bolsheviks with real power, Mikoyan had been brought to Moscow by Stalin in 1926, had escaped innumerable purges, and had demonstrated an uncanny ability to survive and to associate himself with the right faction at the right time.

An act or instance of the cleansing of pipes.