/ Dictionary / Index Q quadriliteral: Meaning and Definition of Find definitions for: quad•ri•lit•er•al Pronunciation: (kwod"ru-lit'ur-ul), [key] — adj. using or consisting of four letters. —n. a quadriliteral word or root. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quadrilingual quadrille Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language