scour
🇺🇸
/ˈskaʊər/
🇬🇧
/ˈskaʊə(r)/
To look through something carefully to find something or someone.
I've been scouring the internet for the best deals on flights.
To clean something by scrubbing its surface with a rough material.
She scoured the pot until all the burnt food was gone.
To wear away or erode something by the force of water or wind.
The strong current scoured a deep channel in the riverbed.