/ Dictionary / Index Q QR: Meaning and Definition of Find definitions for: QR Pronunciation: [key] — Chess. Chess. queen's rook. qr. Pronunciation: [key] — pl. qrs. farthing. quarter. quire. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. qq. v. Q-ratio Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language