/ Dictionary / Index I integrator: Meaning and Definition of Find definitions for: in•te•gra•tor Pronunciation: (in'ti-grā"tur), [key] — n. a person or thing that integrates. Also calledan instrument for performing numerical integrations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: integrator (Thesaurus) integrationist integrity Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language