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Webster 1913 Edition
Tumulus
‖
Tu′mu-lus
,Noun.
pl.
Tumuli
(#)
. [L., a mound, a sepulchral mound, probably from
tumere
to swell. Cf. Tumid
.] An artificial hillock, especially one raised over a grave, particularly over the graves of persons buried in ancient times; a barrow.