e/Heptagonal antiprism

Information
has gloss	eng: In geometry, the heptagonal antiprism is the fourth in an infinite set of antiprisms formed by an even-numbered sequence of triangle sides closed by two polygon caps.
lexicalization	eng: Heptagonal 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