scour >> /ˈskaʊ(ə)r/
Definition: [transitive verb] Clean or brighten the surface of (something) by rubbing it hard, typically with an abrasive or detergent.
Example: he scoured the bathtub
Definition: [transitive verb] Administer a strong purgative to.
Definition: [noun] The action of scouring or the state of being scoured, especially by swift-flowing water.
Example: the scour of the tide may cause lateral erosion
Definition: [noun] Diarrhea in livestock, especially cattle and pigs.
Example: If you have problems with scour ask your vet about the steps you can take to prevent it in your herd.