Joining together (6)
I believe the answer is:
yoking
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">joining together</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 yoking that I've seen before include "results in enslavement" , "Joining" , "Coupling (horses/oxen) to cart" .)