Platters (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">platters</span>' is the definition.<br/ ><span class="explanation-format__explanation">('disc' can be a synonym of 'platter')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for discs that I've seen before include "Flat, circular plates" , "Flat, thin circular objects" , "Records" , "They're round and flat" , "Type of recordings" .)