/ Dictionary / Index O old fustic: Meaning and Definition of Find definitions for: old' fus'tic Pronunciation: [key] fustic (defs. 1–3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Old Frisian old-girl network Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language