Netting; engage (4)
I believe the answer is:
mesh
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">netting</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">engage</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that engage can be written as mesh)</span><br/ ><br/ ></span>
(Other definitions for mesh that I've seen before include "Lattice" , "Undeviating" , "Netting; engage" , "Become entangled - become engaged" , "Trap" .)