Civic head (5)
I believe the answer is:
mayor
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">civic head</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 mayor that I've seen before include "City leader" , "First citizen of a city" , "Local government head" , "Local bigwig" , "Town chief" .)