Funeral mass (7)
I believe the answer is:
requiem
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">funeral mass</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 requiem that I've seen before include "Funeral service" , "shark?" , "Funeral music" , "Mass for the departed" , "Mass for the souls of the dead" .)