Nun's title (6)
I believe the answer is:
sister
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">nun's title</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 sister that I've seen before include "Resist about the sibling" , "Nurse, nun or relation" , "habits' - one who has them" , "Member of family" , "Tender" .)