Acrobat's garment (7)
I believe the answer is:
leotard
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">acrobat's garment</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 leotard that I've seen before include "Skin-tight garment worn by acrobats" , "Dancers might wear this" , "Dance/exercise garment" , "Dancer's tight-fitting garment" , "Acrobat costume" .)