/ Dictionary / Index Q quintant: Meaning and Definition of Find definitions for: quin•tant Pronunciation: (kwin'tnt), [key] — n. Navig. a sextant having an arc equal to one fifth of a circle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Quintana Roo quinte Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language