Raze to the ground (7)
I believe the answer is:
flatten
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">raze to the ground</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 flatten that I've seen before include "Stop" , "Squash" , "Make smooth or level" , "Knock to the ground" , "Even" .)