/ Dictionary / Index Q quadrat: Meaning and Definition of Find definitions for: quad•rat Pronunciation: (kwod'rut), [key] — n. quad (def. 1). a square or rectangular plot of land marked off for the study of plants and animals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quadraplegic quadrate Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language