Gramophone record (4)
I believe the answer is:
disc
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gramophone record</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 disc that I've seen before include "Layer of cartilege between vertebrae" , "Back part" , "Sound recording" , "Flat round plate" , "Forty-five" .)