Combustible heap (4)
I believe the answer is:
pyre
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">combustible heap</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for pyre that I've seen before include "centrepiece of funerary rite" , "Heap of wood for ritually burning a body" , "Funeral mound" , "Part of Eastern death rite" , "Heap of combustible material for burning a body" .)