Convent head (6)
I believe the answer is:
abbess
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">convent head</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for abbess that I've seen before include "Nun in charge of a monastery" , "Head nun" , "Superior nun" , "superior lady" , "Religious leader" .)