Spin or twist together (5)
I believe the answer is:
twine
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">spin</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that spin is a kind of the twine)</span><br/ ><br/ >'<span class="explanation-format__original">twist together</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for twine that I've seen before include "Thin cord" , "Curl; string" , "can get into knots" , "Garden string" , "wind" .)