Weaving machine (4)
I believe the answer is:
loom
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">weaving machine</span>' is the definition.<br/ ><span class="explanation-format__explanation">(machine for weaving thread)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for loom that I've seen before include "Mill machinery" , "Weaving instrument" , "Textile machine for weaving" , "'Appear as a vague form, perhaps threatening (4)'" , "Impend; weaving machine" .)