/ Dictionary / Index Q quincuncial: Meaning and Definition of Find definitions for: quin•cun•cial Pronunciation: (kwin-kun'shul, kwing-), [key] — adj. consisting of, arranged, or formed like a quincunx or quincunxes. noting a five-ranked arrangement of leaves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quincentennial quincunx Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language