petro-occipital
adjective
pe·tro-oc·cip·i·tal
| \ ˌpe-trō-äk-ˈsip-ət-ᵊl
, ˌpē-
\
, ˌpē-
\
Medical Definition of petro-occipital
: of or relating to the occipital bone and the petrous portion of the temporal bone