IPA: //pɪˈræmɪdəli//
KK: /ˈpɪr.əˌmæd.ə.li/
In a way that resembles a pyramid or has a pyramidal shape.
The buildings were arranged pyramidally, creating a stunning visual effect.
Pyramidally → It is formed from "pyramid" (from Greek "pyramis", meaning a monumental structure with a square base and triangular sides) and the suffix "-ally" (meaning in a manner relating to). The word "pyramidally" means in a manner that relates to or resembles a pyramid.
Think of a pyramid, which has a specific shape, and remember that 'pyramidally' describes something that relates to that shape or structure.