a prehistoric mound (= raised mass of earth) near Avebury in south-west England, built before 2000 BC. It is the largest of these mounds in Europe, and unlike most of the others there is nobody buried in it. Nobody knows what it was built for.
SILBURY HILL
Meaning of SILBURY HILL in English
Oxford guide to British and American culture English vocabulary. Руководство по британской и американской культуре, Оксфордский английский словарь. 2005