Origin of pyramidal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pyramidal
For data of other pyramidal stones said to have fallen from the sky, see Rept.The Book of the Damned
Some wanted the whole to be surmounted by a pyramidal capping.Bell's Cathedrals: The Cathedral Church of Ely
W. D. Sweeting
Sometimes each arm produces several smaller arms, and on the head stands a pyramidal groupe of smaller heads.
The other three sides consist of ranges of steps and pyramidal structures.
Many, perhaps most, of the houses had a terraced, pyramidal foundation.