/ Dictionary / Index I interrogator: Meaning and Definition of Find definitions for: in•ter•ro•ga•tor Pronunciation: (in-ter'u-gā"tur), [key] — n. a person who interrogates. Also calleda transmitter that emits a signal to trigger a transponder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: interrogator (Thesaurus) interrogative interrogator-responsor Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language