Open English Wordnet
Nouns
(n)scoura place that is scoured (especially by running water) Verbs
(v)scourexamine minutely“The police scoured the country for the fugitive” (v)scrub, scourclean with hard rubbing“She scrubbed his back” (v)scour, abraderub hard or scrub“scour the counter tops” (v)flush, scour, purgerinse, clean, or empty with a liquid“flush the wound with antibiotics”,
“purge the old gas tank”