scour
//skaʊər//
Verb
To clean or polish a surface by rubbing it hard, typically with an abrasive or detergent.
She scoured the pots and pans until they were shiny.
To remove dirt or unwanted matter from something by scrubbing vigorously.
She scoured the burnt pan with a steel brush until it was clean.
(Of water or a watercourse) to erode or wear away a channel or surface through the force of movement.
The river scoured a deep channel through the rock over thousands of years.
Verb
To search a place or thing thoroughly and carefully in order to find something.
She scoured the entire house looking for her lost keys.
To move rapidly through an area while searching.
The police scoured the neighborhood looking for the missing child.
Noun
The act of scouring or cleaning something.
The pots need a good scour before we can use them again.
A place that has been scoured or eroded by water.
The geologist examined the scour left by the ancient river.