A point at which three or more polyhedron edges of a polyhedron meet. The concept can also be generalized to a polytope.
Polyhedron Vertex
See also
Graph Vertex, Polygon VertexExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Polyhedron Vertex." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PolyhedronVertex.html