/ Dictionary / Index D delineator: Meaning and Definition of Find definitions for: de•lin•e•a•tor Pronunciation: (di-lin'ē-ā"tur), [key] — n. a person or thing that delineates. a tailor's pattern that can be adjusted for cutting garments of different sizes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. delineation delineavit* Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language