tumular

/ˈtumjələr/
adjective
  1. Relating to or resembling a mound or burial mound; having the shape or character of a tumulus.
    • The archaeologists studied the tumular structures scattered across the ancient plain.
    • In the park, a tumular formation of earth and stone stood as a memorial to the fallen soldiers.
    • The landscape was dotted with tumular hills that marked old burial sites.
Synonyms