SCOURING

To clean, polish, or wash something by rubbing and scrubbing it vigorously, frequently with an abrasive or cleaning agent.

"He scoured the burnt food from the pan."

To remove debris and dirt by purging; to sweep along or off (by a current of water).

To clear the digestive tract by administering medication that induces defecation or vomiting; to purge.

"to scour a horse"

To search an area thoroughly.

"They scoured the scene of the crime for clues."

To run with speed; to scurry.

To move swiftly over; to brush along.

The act of cleaning a surface by rubbing it with a brush, soap and water.

Diarrhea. (Now used only of livestock, though also sometimes used of humans into the 1600s.)