pyramid
- Noun. 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.
- Noun. A construction in the shape of a pyramid, usually with a square or rectangular base.
- Noun. (geometry) A solid with triangular lateral faces and a polygonal (often square or rectangular) base.
- Noun. A pyramid scheme.
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This entry was last updated on RefTopia from its source on 3/20/2012.