/ Dictionary / Index D dastur: Meaning and Definition of Find definitions for: da•stur Pronunciation: (du-stoor'), [key] — n. a Parsee chief priest. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dastardly dasy- Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language