Trapezohedron
noun
Any of a class of polyhedra that have kite-shaped faces and are dual polyhedra of antiprisms.
A deltoidal icositetrahedron.
Synonyms: deltoidal icositetrahedron, strombic icositetrahedron, tetragonal icosikaitetrahedron, tetragonal trisoctahedron, trapezoidal icositetrahedron, antibipyramid, antidipyramid, deltohedron