/ Dictionary / Index M meningocele: Meaning and Definition of Find definitions for: me•nin•go•cele Pronunciation: (mu-ning'gu-sēl"), [key] — n. Pathol. a protrusion of the meninges through an opening in the skull or spinal column, forming a bulge or sac filled with cerebrospinal fluid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: meningocele (Thesaurus) meningitis meningococcus Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language