Swimwear (6)
I believe the answer is:
trunks
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">swimwear</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that trunks is a type of swimwear)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for trunks that I've seen before include "Men's swimsuits on an elephants?" , "Men's swimsuit" , "Parts of trees and elephants" , "Swimming garments or tree stems" , "Swimming shorts" .)