/ 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: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language