/ Dictionary / Index C caponize: Meaning and Definition of Find definitions for: ca•pon•ize Pronunciation: (kā'pu-nīz"), [key] — -ized, -iz•ing. to castrate (a fowl). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: caponize (Thesaurus) caponette caporal Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language