pyramid pyramid /ˈpɪrəmɪd/

noun

1. (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 )
   (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
   
2. A polyhedron having a polygonal base and triangular sides with a common vertex  ( pyramid )
   a polyhedron having a polygonal base and triangular sides with a common vertex
    The Egyptian pyramids are some of the oldest and most famous landmarks in the world
   The Egyptian pyramids are some of the oldest and most famous landmarks in the world
   
   

verb

1. () (investing) enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts  ( pyramid )
   (investing) enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts
   
2. Increase rapidly and progressively step by step on a broad base  ( pyramid )
   increase rapidly and progressively step by step on a broad base
   
3. Arrange or build up as if on the base of a pyramid  ( pyramid )
   arrange or build up as if on the base of a pyramid
   
4. (crime) use or deal in (as of stock or commercial transaction) in a pyramid deal  ( pyramid )
   (crime) use or deal in (as of stock or commercial transaction) in a pyramid deal
   

 Pyramid

noun

1. A massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt  ( Great Pyramid , Pyramid , Pyramids of Egypt , Great Pyramid of Giza )
   a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt