/ Dictionary / Index Q quadrel: Meaning and Definition of Find definitions for: quad•rel Pronunciation: (kwod'rul), [key] — n. a square stone, brick, or tile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quadrature of the circle quadrennial Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language