Dowel (3)
I believe the answer is:
peg
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dowel</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 peg that I've seen before include "Clothes line pin" , "Hook" , "Wooden or plastic pin for hanging clothes" , "Wire tensioner" , "Fix (a price)" .)