/ Dictionary / Index P perichondrium: Meaning and Definition of Find definitions for: per•i•chon•dri•um Pronunciation: (per"i-kon'drē-um), [key] — pl. -dri•a the membrane of fibrous connective tissue covering the surface of cartilages except at the joints. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pericenter periclase 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