sphere, n.Definitions

A Sphere is a fully bevelled cube

A Sphere is a polyhedron with infinite sides

A Sphere is a 3D circle.

A Sphere is all corner.

A Sphere is an edgeless safety cube

A Sphere is just four triangles glued together.

A Sphere is actually not all corner, but all not-corner.

A Sphere is a world formatted by its inhabitants' or 'the spaces where people actually live.