/ Dictionary / Index C Callao: Meaning and Definition of Find definitions for: Ca•llao Pronunciation: (kä-you'), [key] — n. a seaport in W Peru, near Lima. 296,721. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. callant Callas Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language