What's the noun for pyramided? Here's the word you're looking for.
pyramid
An ancient massive construction with a square or rectangular base and four triangular sides meeting in an apex, such as those built as tombs in Egypt or as bases for temples in Mesoamerica.
A construction in the shape of a pyramid, usually with a square or rectangular base.
The practice of an athlete progressively increasing the dosage of an illicit drug to a maximum, and then progressively lowering it, between competitions so as to reduce the chances of being caught.
“The roots of the pyramidologist or pyramidiot probably go back to the time the pyramids were built, but their flowering arrived with the antiquarians of the 19th century.”
pyramidion
The small pyramid which crowns or completes an obelisk or pyramid.