Decks (6)
I believe the answer is:
floors
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">decks</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for floors that I've seen before include "Knocks person down in a fight or confounds" , "Tiers in a building" , "Baffles completely" , "Stumps (with question)" , "Knocks down with a punch" .)