Small swimsuit (6)
I believe the answer is:
bikini
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">small swimsuit</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for bikini that I've seen before include "Small bathing costume or atoll in Marshall Islands" , "Brief two-piece swimming costume" , "Minuscule bathing costume for woman" , "Pacific atoll, used for US nuclear weapons tests" , "Skimpy two-piece swim wear" .)