Exercise weight (8)
I believe the answer is:
dumbbell
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">exercise weight</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 dumbbell that I've seen before include "Exercise weight" , "Bar with weighted ends used in exercising" , "Weight-training device" , "Weight-training equipment" , "Weightlifter's item" .)