pyramid
Definitions
A monumental structure with a square or triangular base and sloping sides that meet in a point at the top.
A polyhedron having a polygonal base and triangular sides that meet at a common vertex.
An arrangement or organization that is widest at the base and tapers toward the top.
Examples
The ancient pyramid stands as a testament to the architectural ingenuity of the Egyptians.
The company structure is organized like a pyramid, with the CEO at the very top.
Synonyms
cone obelisk tapered structure triangular solid stepped monument ziggurat