Consisting in a heap; formed or being in a heap or hillock.
The Century Dictionary (Public Domain)
Use "tumulary" in a sentence
"The Museum at the Mairie has an interesting collection of tumulary slabs — recumbent figures taken from different churches and abbeys, mostly from the Beaumanoir chapel of the Abbey of Lehon."
"The three men dropped the levers, which rolled upon the tumulary stone."