/ Dictionary / Index Q quadrilingual: Meaning and Definition of Find definitions for: quad•ri•lin•gual Pronunciation: (kwod"ru-ling'gwul or, Can., -ling'gy-ul), [key] — adj. using or involving four languages: a quadrilingual person; a quadrilingual translation of the Bible. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quadrilateral quadriliteral 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