Parliamentary constituency (4)
I believe the answer is:
seat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">parliamentary constituency</span>' is the definition.<br/ ><span class="explanation-format__explanation">(as in a seat in parliament)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for seat that I've seen before include "Somewhere to sit" , "MP's place in parliament" , "Parliamentary constituency" , "Sitting place" , "Chair - bottom" .)