/ Dictionary / Index F fibrous: Meaning and Definition of Find definitions for: fi•brous Pronunciation: (fī'brus), [key] — adj. containing, consisting of, or resembling fibers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fibrous (Thesaurus) fibrosis fibrovascular 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