Dictionary

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

Example: 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.

Example: to scour a horse

To (cause livestock to) suffer from diarrhoea or dysentery.

Example: If a lamb is scouring, do not delay treatment.

To search an area thoroughly.

Example: 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.)