/ Dictionary / Index B baptize: Meaning and Definition of Find definitions for: bap•tize Pronunciation: (bap-tīz', bap'tīz), [key] — v., -tized, -tiz•ing. —v.t. to immerse in water or sprinkle or pour water on in the Christian rite of baptism: They baptized the new baby. to cleanse spiritually; initiate or dedicate by purifying. to give a name to at baptism; christen. —v.i. to administer baptism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: baptize (Thesaurus) baptistry bar Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language