/ Dictionary / Index S Sonora: Meaning and Definition of Find definitions for: So•no•ra Pronunciation: (su-nôr'u, -nōr'u Sp. sô-nô'rä), [key] — n. a state in NW Mexico. 1,414,000; 70,484 sq. mi. (182,555 sq. km). Cap.: Hermosillo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sonora (Thesaurus) sonometer sonorant 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