e/Octagrammic antiprism

Information
has gloss	eng: In geometry, the octagrammic antiprism is one in an infinite set of nonconvex antiprisms formed by triangle sides and two regular star polygon caps, in this case two octagrams.
lexicalization	eng: Octagrammic antiprism
instance of	(noun) a polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid prismatoid