Lavatories (4)
I believe the answer is:
loos
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lavatories</span>' is the definition.<br/ ><span class="explanation-format__explanation">(loo is a kind of lavatory)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for loos that I've seen before include "Conveniences" , "Austrian architect" .)