/ Dictionary / Index F fibrosis: Meaning and Definition of Find definitions for: fi•bro•sis Pronunciation: (fī-brō'sis), [key] — n. Pathol. the development in an organ of excess fibrous connective tissue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fibrosis (Thesaurus) fibrosarcoma fibrous Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language