/ Dictionary / Index Q qtr.: Meaning and Definition of Find definitions for: qtr. Pronunciation: [key] quarter. quarterly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. qto. qty. Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language