/ Dictionary / Index V vernix caseosa: Meaning and Definition of Find definitions for: ver•nix ca•se•o•sa Pronunciation: (vûr'niks kā"sē-ō'su), [key] — Med. Med. the fatty matter, consisting chiefly of dead epidermal cells and sebaceous secretions, covering the skin of a fetus and newborn. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vernissage Vernoleninsk Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language