Rough woolen fabric
I believe the answer is:
tweed
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rough woolen fabric</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tweed that I've seen before include "Thick woolen fabric" , "Boundary river" , "Rough material" , "Flow" , "Twilled cloth" .)