Close female relative (6)
I believe the answer is:
sister
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">close female relative</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sister that I've seen before include "A kinswoman" , "Tender" , "Nurse, nun or relation" , "Female sibling" , "Senior nurse; relative" .)