Prismatoid

Prismatoid

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

数据来源：WordNet

1

A prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms .

每个底部是边数相同的多面形且其它面是不等边四边形或平行四边形的旁面三角台。
2

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 .

顶点都在一个平面或两个平行的平面上的多面体；位于那些平面上的面是旁面三角台的底部。