/ Dictionary / Index P pericranium: Meaning and Definition of Find definitions for: per•i•cra•ni•um Pronunciation: (per"i-krā'nē-um), [key] — pl. -ni•a the outer periosteum of the cranium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pericope pericycle Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language