burial mound

a mound built over a grave or graves. Compare barrow²(def 1).

Origin of burial mound

First recorded in 1850–55

Among these is the stone which once crowned the burial-mound on the plain of Marathon.

With the World's Great Travellers, Volume IV |Various
Then the Kings and Princes would have made him a burial-mound worthy of his name and his deeds.

The Adventures of Odysseus and The Tales of Troy |Padriac Colum
That this was not likely to have been a burial-mound may be presumed from its formation.

The Prehistoric World |E. A. Allen
Peristalith, pe-ris′ta-lith, n. a series of standing stones surrounding a barrow or burial-mound.

Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) |Various

No visible trace of his work remains but a tiny hillock, a burial-mound, a tumulus.

The Glow-Worm and Other Beetles |Jean Henri Fabre