/ Dictionary / Index P pallial: Meaning and Definition of Find definitions for: pal•li•al Pronunciation: (pal'ē-ul), [key] — adj. of or pertaining to the mantle of a mollusk. of or pertaining to the cerebral cortex. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pallette palliasse Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language