(Ritual) Washing (8)
I believe the answer is:
ablution
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ritual washing</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 ablution that I've seen before include "Ritual washing in church" , "Toilet facility" , "Ceremonial washing of hands" , "Washing process" , "About nil (anag.)" .)