/ Dictionary / Index F fissure of Rolando: Meaning and Definition of Find definitions for: fis'sure of Ro•lan'do Pronunciation: (rō-lan'dō, -län'-). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fissure fissure of Sylvius Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language