/ Dictionary / Index C catheterize: Meaning and Definition of Find definitions for: cath•e•ter•ize Pronunciation: (kath'i-tu-rīz"), [key] — -ized, -iz•ing. to introduce a catheter into. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: catheterize (Thesaurus) catheter cathetus Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language