Coarse file (4)

I believe the answer is:
rasp
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">coarse file</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 rasp that I've seen before include "unpleasant noise" , "fruit" , "Harsh noise - file" , "Smoother" , "Grate; scrape" .)