The South, informally (5)
I believe the answer is:
dixie
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the south informally</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 dixie that I've seen before include "Seceding states" , "Camp-kettle" , "Pan" , "Large iron cooking pot" , "Confederate US states" .)