Revolving platform (9)
I believe the answer is:
turntable
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">revolving platform</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 turntable that I've seen before include "For records" , "Rotating platform" , "it's spinning on the deck" , "Revolving platform" , "Record spinner" .)