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pyramid | a polyhedron having a polygonal base and triangular sides with a common vertex | ||
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pyramid | [in crime] use or deal in (as of stock or commercial transaction) in a pyramid deal | ||
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pyramid | arrange or build up as if on the base of a pyramid | ||
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pyramid | increase rapidly and progressively step by step on a broad base | ||
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pyramid | [in investing] enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts | ||
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pyramid | [in stock_exchange] a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases | ||
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Pyramid, Great Pyramid, Pyramids of Egypt | a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt |