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
a place that is scoured (especially by running water) rub hard or scrub; "scour the counter tops" examine minutely; "The police scoured the country for the fugitive
a place that is scoured (especially by running water) rub hard or scrub; "scour the counter tops"
If you scour something such as a place or a book, you make a thorough search of it to try to find what you are looking for. Rescue crews had scoured an area of 30 square miles We scoured the telephone directory for clues. = search