/ Dictionary / Index P peridental: Meaning and Definition of Find definitions for: per•i•den•tal Pronunciation: (per"i-den'tl), [key] — adj. Dentistry. periodontal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pericycle peridental membrane Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language