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