Southern part of France (4)
I believe the answer is:
midi
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">southern part of france</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 midi that I've seen before include "Southern part of France" , "Half-length coat" , "Female attire" , "Calf-length skirt" , "Calf-length dress" .)