1. large stone structures with a square base and four triangular sides that meet at a point, especially those built as tombs in ancient Egypt
2. objects or structures having a triangular shape with a base and sides that meet at a point
Usage: geometry
3. organizational structures with many people at the bottom and few at the top
Usage: business; sociology

Examples

• The pyramids of Giza are among the most famous monuments in the world.
• Ancient Egyptians built pyramids as burial places for their pharaohs.
• We studied the geometric properties of pyramids in math class.
• The food pyramid shows different nutritional groups.
• Corporate pyramids often have CEOs at the top and many workers at the base.
• The cheerleaders formed human pyramids during halftime.
• Glass pyramids were added to the Louvre museum’s courtyard.