‖n.;
n.
a. [ L. parietalis, fr. paries, -ietis, a wall: cf. F. pariétal. Cf. Parietary, Pellitory. ] [ 1913 Webster ]
At Harvard College, the officers resident within the college walls constitute a permanent standing committee, called the Parietal Committee. B. H. Hall (1856). [ 1913 Webster ]
a. See Parietal, 2. [ 1913 Webster ]
n. [ L. parietaria, fr. parietarius parietal. Cf. Pellitory, Parietal. ] (Bot.) Any one of several species of
‖n. pl. [ L. paries a wall. ] [ 1913 Webster ]
a. (Chem.) Pertaining to, or designating, an acid found in the lichen Parmelia parietina, and called also
n. [ L. parietinus parietal: cf. parietinae ruined walls. ] A piece of a fallen wall; a ruin. [ Obs. ] Burton. [ 1913 Webster ]
(Anat.) A combining form used to indicate connection with, or relation to, the parietal bones or the parietal segment of the skull;