/ Dictionary / Index F fibriform: Meaning and Definition of Find definitions for: fi•bri•form Pronunciation: (fī'bru-fôrm", fib'ru-), [key] — adj. of the form of a fiber or fibers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fibre fibril Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language