Nickname for Margaret
I believe the answer is:
peg
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">nickname for margaret</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 "Small cylindrical pin" , "Wire tensioner" , "Small dowel" , "Clothes line pin" , "Wooden or plastic pin for hanging clothes" .)