What is another word for prismoid?
Pronunciation: [pɹˈɪsmɔ͡ɪd] (IPA) 
A prismoid is a geometric shape that has parallel bases, but its other faces are trapezoids. Some synonyms for prismoid include frustum, tapered block, prism-shaped block, trapezoidal prism, and prismatoid. The term "frustum" is often used to describe a prismoid that has a top and a bottom that are parallel and of different sizes. In architecture and construction, a prism-shaped block or a tapered block is often used to create visual interest in a building's design. A trapezoidal prism and a prismatoid are both types of prismoids, but a prismatoid has more complex faces and angles.
