/ Dictionary / Index E exterminator: Meaning and Definition of Find definitions for: ex•ter•mi•na•tor Pronunciation: (ik-stûr'mu-nā"tur), [key] — n. a person or thing that exterminates. a person or business establishment specializing in the elimination of vermin, insects, etc., from a building, apartment, etc., esp. by the controlled application of toxic chemicals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: exterminator (Thesaurus) exterminate exterminatory 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