scour (
http://definr.com/scour)
n : a place that is scoured (especially by running water)
v 1: examine minutely; "The police scoured the country for the
fugitive"
2: clean with hard rubbing; "She scrubbed his back" [syn:
scrub]
3: scour a surface [syn:
abrade]
4: rinse, clean, or empty with a liquid; "flush the wound with
antibiotics" [syn:
flush]