/ Dictionary / Index B buenos días*: Meaning and Definition of Find definitions for: bue•nos dí•as Pronunciation: (bwe'nôs ē'äs), [key] — Spanish. Spanish. good morning; good day. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Buenos Aires Buerger's disease Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language