Shopping centre (5)
I believe the answer is:
plaza
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">shopping centre</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for plaza that I've seen before include "Sp. square, market-place" , "Town square (Sp.)" , "Public square, as in Spanish town" , "Public square - shopping centre" , "Open square in Spain" .)