Pile of stones (5)
I believe the answer is:
cairn
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pile of stones</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for cairn that I've seen before include "Agree" , "Stone-pile landmark" , "Burial place of old" , "simple grave marker" , "dog" .)