/ Dictionary / Index P pericycle: Meaning and Definition of Find definitions for: per•i•cy•cle Pronunciation: (per'u-sī"kul), [key] — n. Bot. the outermost cell layer of the stele in a plant, frequently becoming a multilayered zone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pericranium peridental Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language