/ Dictionary / Index M Mexicali: Meaning and Definition of Find definitions for: Mex•i•cal•i Pronunciation: (mek"si-kal'ē Sp. me"hē-kä'lē), [key] — n. a city in and the capital of Lower California, in NW Mexico, on the Mexican-U.S. border. 390,400. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mexicali (Thesaurus) Mex. Mexican Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language