pyramid -- (a polyhedron having a polygonal base and triangular sides with a common vertex)
pyramid -- ((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)
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)
Overview of verb pyramid
The verb pyramid has 4 senses
pyramid -- (enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts)
pyramid -- (use or deal in (as of stock or commercial transaction) in a pyramid deal)
pyramid -- (arrange or build up as if on the base of a pyramid)
pyramid -- (increase rapidly and progressively step by step on a broad base)