1. (verb)scour to clean by rubbing hard with sth rough; = scrub to scour a pan
2. scour to look very carefully for sth We scoured the house, looking for the lost check.
Definition of 'scour'
Webster Dictionary
1. (noun)scour diarrhoea or dysentery among cattle
2. (verb)scour to rub hard with something rough, as sand or Bristol brick, especially for the purpose of cleaning; to clean by friction; to make clean or bright; to cleanse from grease, dirt, etc., as articles of dress
3. (verb)scour to purge; as, to scour a horse
4. (verb)scour to remove by rubbing or cleansing; to sweep along or off; to carry away or remove, as by a current of water; -- often with off or away
5. (verb)scour to pass swiftly over; to brush along; to traverse or search thoroughly; as, to scour the coast
6. (verb)scour to clean anything by rubbing
7. (verb)scour to cleanse anything
8. (verb)scour to be purged freely; to have a diarrhoea
9. (verb)scour to run swiftly; to rove or range in pursuit or search of something; to scamper