/ Dictionary / Index Q Quintana Roo: Meaning and Definition of Find definitions for: Quin•ta•na Ro•o Pronunciation: (kēn-tä'nä rô'ô), [key] a sparsely populated state in SE Mexico, on the E Yucatán peninsula. 91,044. Cap.: Chetumal. 19,435 sq. mi. (50,335 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quintan quintant 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