/ Dictionary / Index S Sinaloa: Meaning and Definition of Find definitions for: Si•na•lo•a Pronunciation: (sēn"l-ō'u, sin"- Sp. sē"nä-lô'ä), [key] — n. a state in W Mexico, bordering on the Gulf of California. 1,714,000; 22,582 sq. mi. (58,485 sq. km). Cap.: Culiacán. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sinalbin Sinan Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language