/ Dictionary / Index S Sonoma: Meaning and Definition of Find definitions for: So•no•ma Pronunciation: (su-nō'mu), [key] — n. a town in W California: center of wine-producing region. 6054. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sonograph sonometer 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