SCOURS

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 cleanse (without rubbing).

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.