Swab (3)
I believe the answer is:
mop
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">swab</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that mop is a is a kind of of swab)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for mop that I've seen before include "A thick mass of hair on head" , "It's used to wipe the floor" , "Floor wiper" , "Tangle of hair" , "Wet cleaner" .)