Illegal enterprise (6)
I believe the answer is:
racket
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">illegal enterprise</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 racket that I've seen before include "Din, clamour" , "fiddle" , "Cowboy contest" , "Sports equipment" , "Fraudulent enterprise" .)