1. the action of cleaning something by rubbing it hard
2. erosion of soil or rock by flowing water
Usage: geological term

1. cleaning something thoroughly by rubbing it hard
Usage: present participle of scour
2. searching through an area thoroughly and carefully
Usage: present participle of scour

Examples

• She spent the morning scouring the bathtub with bleach.
• The police are scouring the neighborhood for clues.
• After scouring the internet, he finally found the rare book.
• The scouring of the pots took longer than expected.
• Heavy rains caused severe scouring of the riverbank.
• The detective was scouring through old case files.
• The scouring action of the glacier carved the valley.