A polyhedron with extra triangular faces, given by the Schläfli symbol s.
Snub Polyhedron
See also
Rhombic Polyhedron, Truncated PolyhedronExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Snub Polyhedron." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SnubPolyhedron.html