scour

Từ điển Oxford Advanced Learner 8th

scour [scour scours scoured scouring] BrE [ˈskaʊə(r)] NAmE [ˈskaʊər] verb
1. ~ sth (for sb/sth) to search a place or thing thoroughly in order to find sb/sth
Syn: ↑comb
•We scoured the area for somewhere to pitch our tent.
•He had been scouring the papers for weeks, looking for a job.
2. ~ sth (out) to clean sth by rubbing its surface hard with rough material
•I had to scour out the pans.
3. ~ sth (away/out) | ~ sth (from/out of sth) to make a passage, hole, or mark in the ground, rocks, etc. as the result of movement, especially over a long period
•The water had raced down the slope and scoured out the bed of a stream.
•We could see where the cart wheels had scoured the ground.
Verb forms:

Word Origin:
senses 2 to 3 Middle English Middle Dutch Middle Low German schūren Old French escurer late Latin excurare ‘clean (off)’ ex- ‘away’ curare ‘to clean’ sense 1 late Middle English scour ‘moving hastily’

• Từ đồng nghĩa / Synonyms:
  flush, purge, abrade, scrub