Sepulchre, crypt (4)
I believe the answer is:
tomb
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">sepulchre</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">crypt</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for tomb that I've seen before include "Crypt or grave" , "Place for the burial of a corpse" , "Burial site" , "grave situation" , "Place of burial, grave or vault" .)