Bodies in ground alongside a stone (5)
I believe the answer is:
agate
'stone' is the definition.
(agate is a type of stone)
'bodies in ground alongside a' is the wordplay.
'bodies in ground' becomes 'gate' (I can't explain this - if you can you should give a lot more credence to this answer).
'alongside' says to put letters next to each other.
'gate' put after 'a' is 'AGATE'.
Can you help me to learn more?
(Other definitions for agate that I've seen before include "Old drama critic" , "On the way" , "Onyx" , "Quartz gem" , "rock with bands" .)