What is another word for truncated pyramid?
Pronunciation: [tɹˈʌnke͡ɪtɪd pˈɪɹɐmˌɪd] (IPA) 
A truncated pyramid is a geometric solid that has a flat top and a base that is a polygonal shape. This shape is commonly used in architecture, engineering, and art. There are several synonyms for a truncated pyramid, including frustum, truncated cone, pyramidion, and canted pyramid. The term frustum is often used in mathematics to refer to a portion of a solid that is cut off by a plane. A truncated cone is a type of frustum that has a circular base and a top that is parallel to the base. Pyramidion is a term used to describe a truncated pyramid that is used as a decorative element in architecture, while a canted pyramid has its sides sloping inward instead of straight up and down.
