Ancient square (5)
I believe the answer is:
agora
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ancient square</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for agora that I've seen before include "meeting place" , "money from Israel" , "Ancient Greek market area" , "Place for meetings" , "Meeting-place in Athens" .)