IPA: /ˈkreɪ.ni.ə.li/
KK: /ˈkræn.i.ə.li/
In a manner that relates to the skull or head.
The doctor examined the patient cranially to assess any potential head injuries.
Cranially → It is formed from "cranium" (from Latin "cranium", meaning skull) and "-ally" (meaning in a manner relating to). The word "cranially" refers to something that is in a manner relating to the skull.
Think of the word 'cranium' which refers to the skull, and remember that 'cranially' means in a manner relating to the skull.