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a polyhedron

In geometry, a pyramid is a polyhedron formed by connecting a polygonal base and a point, called the apex.

in geometry

In geometry, a pyramid is a polyhedron formed by connecting a polygonal base and a point, called the apex.

a 3-dimensional solid geometric figure consisting of a base

A pyramid is a 3-dimensional solid geometric figure consisting of a base, andtriangles are placed on each side of this base.

a structure or monument, usually with a quadrilateral base, which rises to a triangular point

A pyramid is a structure or monument, usually with a quadrilateral base, which rises to a triangular point.

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a structure whose outer surfaces is triangular and converge at a single point

A pyramid is a structure whose outer surfaces is triangular and converge at a single point.

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