definition scour
Webster Dictionary(0.00 / 0 votes)Rate this definition: Scour(verb) 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. Scour(verb) to purge; as, to scour a horse. Scour(verb)