n. A mound of earth, especially one placed over a prehistoric tomb; a barrow.
the GNU version of the Collaborative International Dictionary of English
n. An artificial hillock, especially one raised over a grave, particularly over the graves of persons buried in ancient times; a barrow.
The Century Dictionary and Cyclopedia
n. A sepulchral mound, as the famous Mound of Marathon raised over the bodies of those Athenians who fell in repelling the invading Persians; a barrow; very frequently, a mound covering and inclosing a more or less elaborate structure of masonry.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (archeology) a heap of earth placed over prehistoric tombs
Word Usage
"Not far from his house is an astonishing modern "tumulus," or mound of hewn and squared stones."