Meaning : A polyhedron having a polygonal base and triangular sides with a common vertex.

Meaning : (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.

Meaning : A massive monument with a square base and four triangular sides. Begun by Cheops around 2700 BC as royal tombs in ancient Egypt.

Meaning : Enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts.

Meaning : Use or deal in (as of stock or commercial transaction) in a pyramid deal.

Meaning : Arrange or build up as if on the base of a pyramid.

Meaning : Increase rapidly and progressively step by step on a broad base.