pyramid
//ˈpɪrəmɪd//
Noun
A monumental structure with a square or triangular base and sloping sides that meet in a point at the top, especially one built of stone as a royal tomb in ancient Egypt
The ancient Egyptians built pyramids as tombs for their pharaohs.
A solid geometric figure with a polygonal base and triangular sides that meet at a common vertex
The students learned how to calculate the volume of a pyramid in geometry class.
An organizational structure or system arranged in hierarchical levels with fewer members at each successive level
The company has a pyramid structure with the CEO at the top.
A fraudulent investment scheme in which returns are paid to earlier investors using money from new investors rather than from profit
He lost all his savings in a pyramid scheme.
Verb
To arrange or build up in the form of a pyramid
The children pyramided the blocks to make a tower.
To increase or cause to increase gradually in stages
The company pyramided its profits by reinvesting them each year.