Carpentry joint (5)
I believe the answer is:
tenon
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">carpentry joint</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 tenon that I've seen before include "Type of small saw" , "One projecting" , "Type of hacksaw" , "Saw; joint" , "Nonet (anag.)" .)