An ancient massive construction with a square or rectangular base and four triangular sides meeting in an apex, such as those built as tombs in Egypt or as bases for temples in Mesoamerica.
A construction in the shape of a pyramid, usually with a square or rectangular base.
2014 September 7, “Doddington's garden pyramid is a folly good show: The owners of a Lincolnshire stately home have brought the folly into the 21st century, by building a 30ft pyramid [print edition: Great pyramid of Lincolnshire, 6 September 2014, p. G2]”, in The Daily Telegraph, London:
[T]he owners of Doddington Hall, in Lincolnshire, have brought the folly into the 21st century, by building a 30ft pyramid in the grounds of the Elizabethan manor.
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