Breadcrumb Home > Dictionary > Index Y Yauco: Meaning and Definition of Find definitions for: Yau•co Pronunciation: (you'kô), [key] — n. a city in SW Puerto Rico. 14,594. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yatter yaud ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language