/ Dictionary / Index C Castillo: Meaning and Definition of Find definitions for: Cas•ti•llo Pronunciation: (käs-tē'lyô, -yô), [key] (Antonio Cánovas del Castillo del Rey), born 1908, Spanish fashion designer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Castilla la Vieja casting Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language