prismatoid
polyhedron where all vertices lie in two parallel planes
wedge
polyhedron defined by two triangles and three trapezoid faces
prism
geometric shape, a polyhedron with an n-sided polygonal base
disphenoid
tetrahedron whose four faces are congruent acute-angled triangles
pyramid
geometrical shape
cupola
solid formed by joining two polygons, one with twice as many edges as the other, by an alternating band of isosceles triangles and rectangles