Fish with a net (5)
I believe the answer is:
trawl
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fish with a net</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for trawl that I've seen before include "Go fishing" , "Catch" , "Fishing-net" , "Fish using nets" , "Use net" .)