/ Dictionary / Index C Cancún: Meaning and Definition of Find definitions for: Can•cún Pronunciation: (kan-kn' Sp. käng-kn'), [key] — n. an island off NE Quintana Roo territory, on the Yucatán Peninsula, in SE Mexico: beach resort. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cancun (Thesaurus) cancroid Candace Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language