Floor washer (3)
I believe the answer is:
mop
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">floor washer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mop that I've seen before include "Floor cleaner" , "Implement for washing floor" , "Finish off a task - . . . up" , "It's used to wipe the floor" , "Polish" .)