Large bowl (5)
I believe the answer is:
basin
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">large bowl</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for basin that I've seen before include "Washbowl" , "Dock - vessel" , "Large bowl" , "requirement for cleansing" , "Land drained by a river" .)