pyramid
US /ˈpɪr.ə.mɪd/
UK /ˈpɪr.ə.mɪd/
1.
a monumental structure with a square or triangular base and sloping sides meeting at a point, especially one built of stone as a royal tomb in ancient Egypt.
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The Great Pyramid of Giza is one of the Seven Wonders of the Ancient World.
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The ancient Mayans also built impressive stone pyramids.
2.
a solid figure of which the base is a polygon and the sides are triangles with a common vertex.
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In geometry, a pyramid is a polyhedron formed by connecting a polygonal base and a point, called the apex.
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The structure of the organization was represented as a pyramid, with the CEO at the top.