Weave, interlace (7)
I believe the answer is:
entwine
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">weave</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">interlace</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for entwine that I've seen before include "Interweave" , "knit" , "Braid" , "Weave - interlace" , "closely blend together" .)