[noun] a polyhedron having a polygonal base and triangular sides with a common vertex
[noun] (stock market) 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
[noun] a massive memorial with a square base and four triangular sides; built as royal tombs in ancient Egypt Synonyms: Pyramid, Great Pyramid
[verb] enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts
[verb] use or deal in (as of stock or commercial transaction) in a pyramid deal
[verb] arrange or build up as if on the base of a pyramid
[verb] increase rapidly and progressively step by step on a broad base
