1. [syn: burial mound, grave mound, barrow, tumulus]
The Collaborative International Dictionary of English v.0.48:
Tumulus \Tu"mu*lus\, n.; pl. Tumuli. [L., a mound, a
sepulchral mound, probably from tumere to swell. Cf.
An artificial hillock, especially one raised over a grave,
particularly over the graves of persons buried in ancient
times; a barrow.
WordNet (r) 3.0 (2006):
n 1: (archeology) a heap of earth placed over prehistoric tombs
[syn: burial mound, grave mound, barrow, tumulus]