scour

(noun) a place that is scoured (especially by running water).

(verb) examine minutely. Example: "The police scoured the country for the fugitive."

(verb) clean with hard rubbing. Synonyms: scrub. Example: "She scrubbed his back."

(verb) rub hard or scrub. Synonyms: abrade. Example: "Scour the counter tops."

(verb) rinse, clean, or empty with a liquid. Synonyms: flush, purge. Examples: "Flush the wound with antibiotics." "Purge the old gas tank."