of, relating to, or forming the walls or part of the walls of a bodily cavity or similar structure
the parietal bones of the skull
2.
of or relating to the side of the skull
3.
(of plant ovaries) having ovules attached to the walls
4. US
living or having authority within a college
noun
5.
a parietal bone
Word origin
C16: from Late Latin parietālis, from Latin pariēs wall
parietal in American English
(pəˈraɪətəl)
adjective
1. US
of or having to do with life in a college, esp. with rules (parietals) governing visiting in dormitories by members of the opposite sex
2. Anatomy
of, pertaining to, or forming the walls of a cavity or hollow structure; esp., designating either of the two bones between the frontal and occipital bones, forming part of the top and sides of the skull
3. Botany
attached to the wall of the ovary, as the placenta in some plants
Word origin
Fr pariétal < LL parietalis < L paries: see paries