Swab (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">swab</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire 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" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">swab</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for wipe that I've seen before include "Clean with e.g. cloth" , "Clean (a surface)" , "Rub clean with a circular motion" , "Swab" , "Erase recording" .)