Hooped petticoat (9)
I believe the answer is:
crinoline
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hooped petticoat</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 crinoline that I've seen before include "Outstanding skirt" , "garment of yesteryear" , "Stiffened petticoat worn to puff out a skirt" , "Stiff fabric in Victorian costume" , "Hooped skirt of previous times" .)