Frocks (7)
I believe the answer is:
dresses
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">frocks</span>' is the definition.<br/ ><span class="explanation-format__explanation">('dress' can be a synonym of 'frock')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dresses that I've seen before include "Costumes" , "lines up as ordered on parade" , "Decorates" , "sacks, possibly" , "Frocks" .)