Weightlifting apparatus (7)
I believe the answer is:
barbell
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">weightlifting apparatus</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 barbell that I've seen before include "equipment in gym" , "Weightlifting apparatus" , "One may be seen in a gym" , "Weight lifter's equipment" , "Metal rod used in weighlifting" .)