a vortex
A vertex is the name of a corner on a solid where three or more faces meet (plural = vertices).
a vertex
vertex
A corner
A vertex.
vertex
4 corners
VERTEX
vertex/vertices
That's a "vertex".
It is the vertex and its plural is vertices
A corner on a solid where three or more edges meet is called a "vertex." In geometry, vertices are the points where the edges of a polyhedron converge. Each vertex is a key component in defining the shape and structure of the solid.