/ Dictionary / Index F fibrocystic: Meaning and Definition of Find definitions for: fi•bro•cys•tic Pronunciation: (fī"brō-sis'tik), [key] — adj. showing or having the increased fibrosis associated with dilated glandular structure, as in the breast nodules of fibrocystic disease. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fibrocartilage fibrocystic disease Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language