TUMULUS
Etymology
Noun
tumulus (plural tumuli)
(archaeology) A mound of earth, especially one placed over a prehistoric tomb; a barrow.
Synonyms
• burial mound
• burian (chiefly Scottish)
Source: Wiktionary
Tu"mu*lus, n.; pl. Tumuli. Etym: [L., a mound, a sepulchral mound,
probably from tumere to swell. Cf. Tumid.]
Definition: An artificial hillock, especially one raised over a grave,
particularly over the graves of persons buried in ancient times; a
barrow.
Source: Webster’s Unabridged Dictionary 1913 Edition