/ Dictionary / Index S San Bruno: Meaning and Definition of Find definitions for: San Bru•no Pronunciation: (san br'nō), [key] a city in W California, S of San Francisco. 35,417. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sanborn San Buenaventura Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language