(n) a sulcus near the posterior end of each hemisphere that separates the parietal lobes and the occipital lobes in both hemispheres, Syn. parieto-occipital fissure
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
(Anat.) A combining form used to indicate connection with, or relation to, the parietal bones or the parietal segment of the skull; as, the parieto-mastoid suture. [ 1913 Webster ]