scour

1 scour /ˈskawɚ/ verb
scours; scoured; scouring
1 scour
/ˈskawɚ/
verb
scours; scoured; scouring
Britannica Dictionary definition of SCOUR
[+ object]
: to search (something) carefully and thoroughly
2 scour /ˈskawɚ/ verb
scours; scoured; scouring
2 scour
/ˈskawɚ/
verb
scours; scoured; scouring
Britannica Dictionary definition of SCOUR
[+ object]
1 
: to clean (something) by rubbing it hard with a rough object
2 
: to cause parts of (something) to be carried away by the movement of water, ice, etc.

— scouring

adjective, always used before a noun