Gymnastic performer (7)
I believe the answer is:
acrobat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gymnastic performer</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 acrobat that I've seen before include "Performing gymnast" , "Athletic Circus Performer" , "Agile circus performer" , "Gymnastic entertainer" , "Gymnastic performer" .)